crater

crater
    n 1: a bowl-shaped geological formation at the top of a volcano
         [syn: {volcanic crater}, {crater}]
    2: a faint constellation in the southern hemisphere near Hydra
       and Corvus
    3: a bowl-shaped depression formed by the impact of a meteorite
       or bomb
    

Crater \Cra"ter\ (kr[=a]"t[~e]r), n. [L. crater, cratera, a
   mixing vessel, the mouth of a volcano, Gr. krath`r, fr.
   keranny`nai to mix; cf. Skr. [,c]r[imac] to mix, [,c]ir to
   cook, [,c]r[=a] to cook. Cf. {Grail}, in Holy Grail.]
   1. The basinlike opening or mouth of a volcano, through which
      the chief eruption comes; similarly, the mouth of a
      geyser, about which a cone of silica is often built up.
      [1913 Webster]

   2. (Mil.) The pit left by the explosion of a bomb, shell, or
      mine.
      [1913 Webster]

   3. (Astron.) A constellation of the southen hemisphere; --
      called also the {Cup}.
      [1913 Webster]
    

95 Moby Thesaurus words for "crater":
      abysm, abyss, alveolation, alveolus, antrum, armpit, basin,
      birthmark, blackhead, bleb, blemish, blister, bowl, bulla, cavity,
      chasm, check, cicatrix, comedo, concave, concavity, crack, craze,
      crevasse, crypt, cup, deep, defacement, defect, deformation,
      deformity, depression, depth, dip, disfiguration, disfigurement,
      distortion, fault, flaw, fold, follicle, freckle, funnel chest,
      gulf, hemangioma, hickey, hole, hollow, hollow shell, keloid, kink,
      lacuna, lentigo, milium, mole, needle scar, nevus, pimple, pit,
      pock, pocket, pockmark, port-wine mark, port-wine stain,
      punch bowl, pustule, rift, scab, scar, scoop, scratch,
      sebaceous cyst, shaft, shell, sink, sinus, socket, split,
      strawberry mark, sty, track, trough, twist, verruca, vesicle, vug,
      wale, warp, wart, weal, well, welt, wen, whitehead,
      yawning abyss