Tusk (?), v. i. To bare or gnash the
Tusk (?), n. (Zoöl.) Same as
Tusk, n. [OE. tusk, the same word as
tusch, AS. tusc. See Tush a tooth.] 1.
(Zoöl.) One of the elongated incisor or canine teeth of
the wild boar, elephant, etc.; hence, any long, protruding tooth.
2. (Zoöl.) A toothshell, or Dentalium;
-- called also tusk-shell.
3. (Carp.) A projecting member like a tenon,
and serving the same or a similar purpose, but composed of several steps,
or offsets. Thus, in the illustration, a is the tusk, and
each of the several parts, or offsets, is called a tooth.