Tusk-shell

2 definitions found

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

  Tusk-shell \Tusk"-shell`\ (t[u^]sk"-sh[e^]l`), n. (Zool.)
     See 2d {Tusk}, n., 2.
     [1913 Webster]

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



  Tusk \Tusk\, n. [OE. tusk, the same word as tusch, AS. tusc. See
     {Tush} a tooth.]
     1. (Zool.) One of the elongated incisor or canine teeth of
        the wild boar, elephant, etc.; hence, any long, protruding
        tooth.
        [1913 Webster]
  
     2. (Zool.) A toothshell, or Dentalium; -- called also
        {tusk-shell}.
        [1913 Webster]
  
     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.
        [1913 Webster]