crust

Noun
  1. The outer layer of the Earth (synset 109282916)
    hypernym: layer - a relatively thin sheetlike expanse or region lying over or under another
    hyponym:
    • horst - a ridge of the earth's crust that has been forced upward between two faults and so is higher than the surrounding land
    • crustal plate, plate - a rigid layer of the Earth's crust that is believed to drift slowly
    part holonym: asthenosphere - the lower layer of the crust
    part meronym: geosphere, lithosphere - the solid part of the earth consisting of the crust and outer mantle
    substance holonym:
    • sial - the granitelike rocks that form the outermost layer of the earth's crust; rich in silicon and aluminum
    • sima - rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium
    synonym: earth's crust
  2. A hard outer layer that covers something (synset 109283124)
    hypernym: cover, covering, natural covering - a natural object that covers or envelops
    hyponym: calculus, tartar, tophus - an incrustation that forms on the teeth and gums
    synonym: encrustation, incrustation
  3. The trait of being rude and impertinent;
    Inclined to take liberties (synset 104923043)
    hypernym: discourtesy, rudeness - a manner that is rude and insulting
    hyponym: chutzpa, chutzpah, hutzpah - (Yiddish) unbelievable gall; insolence; audacity
    synonym: cheekiness, freshness, gall, impertinence, impudence, insolence
Verb
  1. Form a crust or form into a crust (synset 200357443)
    "The bread crusted in the oven"
    entail: dry, dry out - become dry or drier
    hypernym: change surface - undergo or cause to undergo a change in the surface

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