A hard outside covering, as of
a fruit or an animal.
A hollow projectile, of
various shapes, adapted for a mortar or a cannon, and containing an
explosive substance, ignited with a fuse or by percussion, by means of
which the projectile is burst and its fragments scattered. See
Bomb.
The case which holds the powder, or charge
of powder and shot, used with breechloading small arms.
Any slight hollow structure; a framework,
or exterior structure, regarded as not complete or filled in; as, the
shell of a house.
A coarse kind of coffin; also, a thin
interior coffin inclosed in a more substantial one.
An instrument of music, as a lyre, -- the
first lyre having been made, it is said, by drawing strings over a
tortoise shell.
An engraved copper roller used in print
works.
The husks of cacao seeds, a
decoction of which is often used as a substitute for chocolate, cocoa,
etc.
The outer frame or case of a
block within which the sheaves revolve.
A light boat the frame of which is covered
with thin wood or with paper; as, a racing shell.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
