(n.) Any one of various more or less destructive fungus diseases attacking cultivated plants, and usually forming dark-colored crustlike spots.
(n.) A nickname for a workman who engages for lower wages than are fixed by the trades unions; also, for one who takes the place of a workman on a strike.
(n.) A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
(n.) The mange, especially when it appears on sheep.
(n.) A case or cartridge containing a charge of explosive material, which bursts after having been thrown high into the air. It is often elevated through the agency of a larger firework in which it is contained.
(n.) A gouge bit or shell bit.
(n.) Something similar in form or action to an ordnance shell;.
(n.) Any slight hollow structure; a framework or exterior structure, regarded as not complete or filled in; as, the shell of a house.
(v.i.) To cast the shell or exterior covering; to fall out of the pod or husk; as, nuts shell in falling.
(n.) The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.