[1] : The Collaborative International Dictionary of English v.0.48

crust \crust\ kr?st, n. l. crusta: cf. of. crouste, f.
   cro^ute; prob. akin to gr. ????? ice, e. crystal, from the
   same root as e. crude, raw. see raw, and cf. custard.
   1. the hard external coat or covering of anything; the hard
      exterior surface or outer shell; an incrustation; as, a
      crust of snow.
      1913 webster

            i have known the statute of an emperor quite hid
            under a crust of dross.               --addison.
      1913 webster

            below this icy crust of conformity, the waters of
            infidelity lay dark and deep as ever. --prescott.
      1913 webster

   2. cookery
      a the hard exterior or surface of bread, in distinction
          from the soft part or crumb; or a piece of bread grown
          dry or hard.
      b the cover or case of a pie, in distinction from the
          soft contents.
      c the dough, or mass of doughy paste, cooked with a
          potpie; -- also called dumpling.
          1913 webster

                th' impenetrable crust thy teeth defies.
                                                  --dryden.
          1913 webster

                he that keeps nor crust nor crumb. --shak.
          1913 webster

                they . . . made the crust for the venison pasty.
                                                  --macaulay.
          1913 webster

   3. geol. the exterior portion of the earth, formerly
      universally supposed to inclose a molten interior.
      1913 webster

   4. zool. the shell of crabs, lobsters, etc.
      1913 webster

   5. med. a hard mass, made up of dried secretions blood, or
      pus, occurring upon the surface of the body.
      1913 webster

   6. an incrustation on the interior of wine bottles, the
      result of the ripening of the wine; a deposit of tartar,
      etc. see beeswing.
      1913 webster
see also:
raw custard dumpling beeswing 

[2] : The Collaborative International Dictionary of English v.0.48

crust \crust\, v. t. imp.  p. p. crusted; p. pr.  vb. n.
   crusting. cf. of. crouster, l. crustare. see crust, n.
   
   to cover with a crust; to cover or line with an incrustation;
   to incrust.
   1913 webster

         the whole body is crusted over with ice. --boyle.
   1913 webster

         and now their legs, and breast, and bodies stood
         crusted with bark.                       --addison.
   1913 webster

         very foul and crusted bottles.           --swift.
   1913 webster

         their minds are crusted over, like diamonds in the
         rock.                                    --felton.
   1913 webster
see also:
crusted crusting crust 

[3] : The Collaborative International Dictionary of English v.0.48

crust \crust\, v. i.
   to gather or contract into a hard crust; to become incrusted.
   1913 webster

         the place that was burnt . . . crusted and healed.
                                                  --temple.
   1913 webster

[4] : WordNet (r) 2.0

crust
     n 1: the outer layer of the earth syn: earth's crust
     2: a hard outer layer that covers something syn: incrustation,
         encrustation
     3: the trait of being rude and impertinent; inclined to take
        liberties syn: gall, impertinence, impudence, insolence,
         cheekiness, freshness
     v : form a crust or form into a crust; "the bread crusted in the
         oven"
see also:
earth's crust incrustation encrustation gall impertinence impudence 
insolence cheekiness freshness 

[5] : Moby Thesaurus II by Grady Ward, 1.0

114 moby thesaurus words for "crust":
   french bread, irish soda bread, italian bread, acres, alluvion,
   alluvium, arable land, black bread, border, brashness, brass,
   bread, bread stick, bread stuff, brown bread, cheek, chutzpah,
   circumference, clay, clod, confidence, cortex, covering,
   cracked-wheat bread, dark bread, dirt, dry land, dust, earth,
   effloresce, encrust, envelope, epidermis, eschar, exterior,
   external, facade, face, facet, freehold, fringe, front, gall,
   garlic bread, glebe, graham bread, grassland, ground, incrust,
   incrustation, integument, land, landholdings, lineaments,
   lithosphere, loaf of bread, loricate, marginal land, marl, matzo,
   matzoth, mold, nerve, nut bread, outer face, outer layer,
   outer side, outer skin, outline, outside, pain, pastry shell,
   periphery, piecrust, pita, presumption, pumpernickel, raisin bread,
   real estate, real property, region, regolith, rind, rye bread,
   salt-rising bread, scab, scale, shell, skin, sod, soil, sourbread,
   sourdough bread, staff of life, stalactite, stalagmite,
   subaerial deposit, subsoil, superficies, superstratum, surface,
   terra, terra firma, terrain, territory, the country, toast, tommy,
   top, topsoil, unleavened bread, white bread, whole wheat bread,
   woodland

Crust >> C Words
Crust, definition of term: Crust
crust_pag1.html

Upper Crust >> U Words
Upper Crust, definition of term: Upper Crust
upper+crust_pag1.html

Earths Crust >> E Words
Earths Crust, definition of term: Earths Crust
earths+crust_pag1.html