tusk-shell
Tusk Tusk, n. [OE. tusk, the same word as tusch, AS. tusc. See {Tush} a tooth.] 1. (Zo["o]l.) One of the elongated incisor or canine teeth of the wild boar, elephant, etc.; hence, any long, protruding tooth. [1913 Webster]

2. (Zo["o]l.) 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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Tusk-shell — n. (Zo[ o]l.) See 2d {Tusk}, n., 2. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tusk shell — The tusk shells or scaphopods are a class of marine mollusks which vary in size from very small to medium sized. The scientific name of this class is Scaphopoda, meaning shovel footed . These mollusks live on soft substrates offshore (usually not …   Wikipedia

  • tusk shell — noun any of various seashore mollusks having a tapering tubular shell open at each end and a foot pointed like a spade for burrowing • Syn: ↑tooth shell • Hypernyms: ↑scaphopod * * * noun : tooth shell * * * tusk shell noun Th …   Useful english dictionary

  • tusk shell — ▪ mollusk also called  elephant s tusk,  elephant s tooth , or  tooth shell        any of several marine mollusks of the class Scaphopoda. There are four genera of tusk shells (Dentalium is typical and most common) and more than 350 species. Most …   Universalium

  • tusk shell — noun a burrowing mollusc with a slender tusk shaped shell which is open at both ends. [Dentalium and other genera, class Scaphopoda.] …   English new terms dictionary

  • tusk shell. — See tooth shell. [1860 65, Amer.] * * * …   Universalium

  • tusk shell. — See tooth shell. [1860 65, Amer.] …   Useful english dictionary

  • tusk shell — noun any of the marine mollusks of the class Scaphopoda, which look similar to elephant tusks. Syn: scaphopod …   Wiktionary

  • elephant's-tusk shell — noun see elephant s tusk …   Useful english dictionary

  • Tusk (disambiguation) — Tusk can refer to a number of things:*A tusk is an extremely long tooth, possessed by certain mammals, that sticks out of the mouth when it s closed. It is the source of ivory. * tusk is the pseudonym of Eberhard Koebel, a German writer and… …   Wikipedia

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