1. [n]  a state in midwestern United States
2. [n]  a unit of length (in United States and Britain) equal to one twelfth of a foot
3. [n]  a rare soft silvery metallic element; occurs in small quantities in sphalerite
4. [adv]  inside an enclosed space
5. [adv]  to or toward the inside of; "come in"; "smash in the door"
6. [adj]  inside e.g. an organization; used as a combining form; "an in-house editor"; "in-home nursing programs"
7. [adj]  (informal) "the in thing to do"; "large shoulder pads are in"

1. \In-\ [See {In}, prep. Cf. {Em-}, {En-}.]
   A prefix from Eng. prep. in, also from Lat. prep. in, meaning
   in, into, on, among; as, inbred, inborn, inroad; incline,
   inject, intrude. In words from the Latin, in- regularly
   becomes il- before l, ir- before r, and im- before a labial;
   as, illusion, irruption, imblue, immigrate, impart. In- is
   sometimes used with an simple intensive force.
   

2. \In-\ [L. in-; akin to E. un-. See {Un-}.]
   An inseparable prefix, or particle, meaning not, non-, un-
   as, inactive, incapable, inapt. In- regularly becomes il-
   before l, ir- before r, and im- before a labial.
   

3. \-in\
   A suffix. See the Note under {-ine}.
   

4. \In\, prep. [AS. in; akin to D. & G. in, Icel. [=i], Sw. &
   Dan. i, OIr. & L. in, Gr. 'en. [root]197. Cf. 1st {In-},
   {Inn}.]
   The specific signification of in is situation or place with
   respect to surrounding, environment, encompassment, etc. It
   is used with verbs signifying being, resting, or moving
   within limits, or within circumstances or conditions of any
   kind conceived of as limiting, confining, or investing,
   either wholly or in part. In its different applications, it
   approaches some of the meanings of, and sometimes is
   interchangeable with, within, into, on, at, of, and among. It
   is used:
   1. With reference to space or place; as, he lives in Boston;
      he traveled in Italy; castles in the air.
            The babe lying in a manger.           --Luke ii. 16.
            Thy sun sets weeping in the lowly west. --Shak.
            Situated in the forty-first degree of latitude.
                                                  --Gibbon.
            Matter for censure in every page.     --Macaulay.
   2. With reference to circumstances or conditions; as, he is
      in difficulties; she stood in a blaze of light. ``Fettered
      in amorous chains.'' --Shak.
            Wrapt in sweet sounds, as in bright veils.
                                                  --Shelley.
   3. With reference to a whole which includes or comprises the
      part spoken of; as, the first in his family; the first
      regiment in the army.
            Nine in ten of those who enter the ministry.
                                                  --Swift.
   4. With reference to physical surrounding, personal states,
      etc., abstractly denoted; as, I am in doubt; the room is
      in darkness; to live in fear.
            When shall we three meet again, In thunder,
            lightning, or in rain?                --Shak.
   5. With reference to character, reach, scope, or influence
      considered as establishing a limitation; as, to be in
      one's favor. ``In sight of God's high throne.'' --Milton.
            Sounds inharmonious in themselves, and harsh.
                                                  --Cowper.
   6. With reference to movement or tendency toward a certain
      limit or environment; -- sometimes equivalent to into; as,
      to put seed in the ground; to fall in love; to end in
      death; to put our trust in God.
            He would not plunge his brother in despair.
                                                  --Addison.
            She had no jewels to deposit in their caskets.
                                                  --Fielding.
   7. With reference to a limit of time; as, in an hour; it
      happened in the last century; in all my life.
   {In as much as}, or {Inasmuch as}, in the degree that; in
      like manner as; in consideration that; because that;
      since. See {Synonym} of {Because}, and cf. {For as much
      as}, under {For}, prep.
   {In that}, because; for the reason that. ``Some things they
      do in that they are men . . .; some things in that they
      are men misled and blinded with error.'' --Hooker.
   {In the name of}, in behalf of; on the part of; by authority;
      as, it was done in the name of the people; -- often used
      in invocation, swearing, praying, and the like.
   {To be in for it}.
      (a) To be in favor of a thing; to be committed to a
          course.
      (b) To be unable to escape from a danger, penalty, etc.
          [Colloq.]
   {To be} (or {keep}) {in with}.
      (a) To be close or near; as, to keep a ship in with the
          land.
      (b) To be on terms of friendship, familiarity, or intimacy
          with; to secure and retain the favor of. [Colloq.]
   Syn: Into; within; on; at. See {At}.
   

5. \In\, adv.
   1. Not out; within; inside. In, the preposition, becomes an
      adverb by omission of its object, leaving it as the
      representative of an adverbial phrase, the context
      indicating what the omitted object is; as, he takes in the
      situation (i. e., he comprehends it in his mind); the
      Republicans were in (i. e., in office); in at one ear and
      out at the other (i. e., in or into the head); his side
      was in (i. e., in the turn at the bat); he came in (i. e.,
      into the house).
            Their vacation . . . falls in so pat with ours.
                                                  --Lamb.
   Note: The sails of a vessel are said, in nautical language,
         to be in when they are furled, or when stowed. In
         certain cases in has an adjectival sense; as, the in
         train (i. e., the incoming train); compare up grade,
         down grade, undertow, afterthought, etc.
   2. (Law) With privilege or possession; -- used to denote a
      holding, possession, or seisin; as, in by descent; in by
      purchase; in of the seisin of her husband. --Burrill.
   {In and in breeding}. See under {Breeding}.
   {In and out} (Naut.), through and through; -- said of a
      through bolt in a ship's side. --Knight.
   {To be in}, to be at home; as, Mrs. A. is in.
   {To come in}. See under {Come}.
   

6. \In\, n.
   Note: [Usually in the plural.]
   1. One who is in office; -- the opposite of {out}.
   2. A re["e]ntrant angle; a nook or corner.
   {Ins and outs}, nooks and corners; twists and turns.
      All the ins and outs of this neighborhood.  --D. Jerrold.
   

7. \In\, v. t.
   To inclose; to take in; to harvest. [Obs.]
         He that ears my land spares my team and gives me leave
         to in the crop.                          --Shak.
   

The country code for India.