\En"ter-\ [F. entre between, fr. L. inter. See {Inter-}]
A prefix signifying between, among, part.

\En"ter\, v. t. [imp. & p. p. {Entered}; p. pr. & vb. n.
{Entering}.] [OE. entren, enteren, F. entrer, fr. L. intrare,
fr. intro inward, contr. fr. intero (sc. loco), fr. inter in
between, between. See {Inter-}, {In}, and cf. {Interior}.]
1. To come or go into; to pass into the interior of; to pass
   within the outer cover or shell of; to penetrate; to
   pierce; as, to enter a house, a closet, a country, a door,
   etc.; the river enters the sea.
         That darksome cave they enter.        --Spenser.
         I, . . . with the multitude of my redeemed, Shall
         enter heaven, long absent.            --Milton.
2. To unite in; to join; to be admitted to; to become a
   member of; as, to enter an association, a college, an
   army.
3. To engage in; to become occupied with; as, to enter the
   legal profession, the book trade, etc.
4. To pass within the limits of; to attain; to begin; to
   commence upon; as, to enter one's teens, a new era, a new
   dispensation.
5. To cause to go (into), or to be received (into); to put
   in; to insert; to cause to be admitted; as, to enter a
   knife into a piece of wood, a wedge into a log; to enter a
   boy at college, a horse for a race, etc.
6. To inscribe; to enroll; to record; as, to enter a name, or
   a date, in a book, or a book in a catalogue; to enter the
   particulars of a sale in an account, a manifest of a ship
   or of merchandise at the customhouse.
7. (Law)
   (a) To go into or upon, as lands, and take actual
       possession of them.
   (b) To place in regular form before the court, usually in
       writing; to put upon record in proper from and order;
       as, to enter a writ, appearance, rule, or judgment.
       --Burrill.
8. To make report of (a vessel or her cargo) at the
   customhouse; to submit a statement of (imported goods),
   with the original invoices, to the proper officer of the
   customs for estimating the duties. See {Entry}, 4.
9. To file or inscribe upon the records of the land office
   the required particulars concerning (a quantity of public
   land) in order to entitle a person to a right pf
   pre["e]mption. [U.S.] --Abbott.
10. To deposit for copyright the title or description of (a
    book, picture, map, etc.); as, ``entered according to act
    of Congress.''
11. To initiate; to introduce favorably. [Obs.] --Shak.

\En"ter\, v. i.
1. To go or come in; -- often with in used pleonastically;
   also, to begin; to take the first steps. ``The year
   entering.'' --Evelyn.
         No evil thing approach nor enter in.  --Milton.
         Truth is fallen in the street, and equity can not
         enter.                                --Is. lix. 14.
         For we which have believed do enter into rest.
                                               --Heb. iv. 3.
2. To get admission; to introduce one's self; to penetrate;
   to form or constitute a part; to become a partaker or
   participant; to share; to engage; -- usually with into;
   sometimes with on or upon; as, a ball enters into the
   body; water enters into a ship; he enters into the plan;
   to enter into a quarrel; a merchant enters into
   partnership with some one; to enter upon another's land;
   the boy enters on his tenth year; to enter upon a task;
   lead enters into the composition of pewter.
3. To penetrate mentally; to consider attentively; -- with
   into.
         He is particularly pleased with . . . Sallust for
         his entering into internal principles of action.
                                               --Addison.