1. [n]  an opening deliberately made in or through something
2. [n]  one playing period (from tee to green) on a golf course; "he played 18 holes"
3. [n]  informal terms for the mouth
4. [n]  an opening into or through something
5. [n]  a depression hollowed out of solid matter
6. [n]  an unoccupied space
7. [n]  informal terms for a difficult situation; "he got into a terrible fix"; "he made a muddle of his marriage"
8. [n]  a fault; "he shot holes in my argument"
9. [v]  make holes in
10. [v]  in golf: hit the ball into the hole

1. \Hole\ (h[=o]l), a.
   Whole. [Obs.] --Chaucer.
   

2. \Hole\, n. [OE. hol, hole, AS. hol, hole, cavern, from hol,
   a., hollow; akin to D. hol, OHG. hol, G. hohl, Dan. huul
   hollow, hul hole, Sw. h[*a]l, Icel. hola; prob. from the root
   of AS. helan to conceal. See {Hele}, {Hell}, and cf. {Hold}
   of a ship.]
   1. A hollow place or cavity; an excavation; a pit; an opening
      in or through a solid body, a fabric, etc.; a perforation;
      a rent; a fissure.
            The holes where eyes should be.       --Shak.
            The blind walls Were full of chinks and holes.
                                                  --Tennyson.
            The priest took a chest, and bored a hole in the
            lid.                                  --2 Kings xii.
                                                  9.
   2. An excavation in the ground, made by an animal to live in,
      or a natural cavity inhabited by an animal; hence, a low,
      narrow, or dark lodging or place; a mean habitation.
      --Dryden.
            The foxes have holes, . . . but the Son of man hath
            not where to lay his head.            --Luke ix. 58.
   Syn: Hollow; concavity; aperture; rent; fissure; crevice;
        orifice; interstice; perforation; excavation; pit; cave;
        den; cell.
   {Hole and corner}, clandestine, underhand. [Colloq.] ``The
      wretched trickery of hole and corner buffery.'' --Dickens.
   {Hole board} (Fancy Weaving), a board having holes through
      which cords pass which lift certain warp threads; --
      called also {compass board}.
   

3. \Hole\, v. t. [AS. holian. See {Hole}, n.]
   1. To cut, dig, or bore a hole or holes in; as, to hole a
      post for the insertion of rails or bars. --Chapman.
   2. To drive into a hole, as an animal, or a billiard ball.
   

4. \Hole\, v. i.
   To go or get into a hole. --B. Jonson.
   

The absence of an electron in a semiconductor material. In the electron model, a hole can be thought of as an incomplete outer electron shell in a doping substance. Holes can also be thought of as positive charge carriers; while this is in a sense a fiction, it is a useful abstraction.