crater: Meaning and Definition of


Pronunciation: (krā'tur), [key]
— n., gen. v. Cra•te•ris
  1. the cup-shaped depression or cavity on the surface of the earth or other heavenly body marking the orifice of a volcano.
  2. Also called(on the surface of the earth, moon, etc.) a bowl-shaped depression with a raised rim, formed by the impact of a meteoroid. Cf. astrobleme.
  3. (on the surface of the moon) a circular or almost circular area having a depressed floor, almost always containing a central mountain and usually completely enclosed by walls that are often higher than those of a walled plain; ring formation; ring. Cf. walled plain.
  4. the bowllike orifice of a geyser.
  5. the hole or pit in the ground where a bomb, shell, or military mine has exploded.
  6. the cavity formed in a positive carbon electrode by an electric arc.
  7. krater.
  8. a depression at the end of a bead produced by welding.
  9. (cap.)the Cup, a small southern constellation west of Corvus and north of Hydra.
  1. to make craters in: Bombs had cratered the landscape.
  2. to crater the new project.
    1. to cancel, abandon, or cast aside:to crater the new project.
    2. to destroy or ruin:One more disappointment won't crater me.
  1. to form a crater or craters: The surface of the concrete cratered and cracked under the repeated impacts.


Pronunciation: (krā'tur), [key]
  1. 1889–?, a judge of the New York State Supreme Court: his mysterious disappearance on August 6, 1930, has never been solved.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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