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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Snail n.
 1. Zool. (a) Any one of numerous species of terrestrial air-breathing gastropods belonging to the genus Helix and many allied genera of the family Helicidae. They are abundant in nearly all parts of the world except the arctic regions, and feed almost entirely on vegetation; a land snail. (b) Any gastropod having a general resemblance to the true snails, including fresh-water and marine species. See Pond snail, under Pond, and Sea snail.
 2. Hence, a drone; a slow-moving person or thing.
 3. Mech. A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock.
 4. A tortoise; in ancient warfare, a movable roof or shed to protect besiegers; a testudo. [Obs.]
    They had also all manner of gynes [engines] . . . that needful is [in] taking or sieging of castle or of city, as snails, that was naught else but hollow pavises and targets, under the which men, when they fought, were heled [protected], . . . as the snail is in his house; therefore they cleped them snails.   --Vegetius (Trans.).
 5. Bot. The pod of the sanil clover.
 Ear snail, Edible snail, Pond snail, etc. See under Ear, Edible, etc.
 Snail borer Zool., a boring univalve mollusk; a drill.
 Snail clover Bot., a cloverlike plant (Medicago scuttellata, also, Medicago Helix); -- so named from its pods, which resemble the shells of snails; -- called also snail trefoil, snail medic, and beehive.
 Snail flower Bot., a leguminous plant (Phaseolus Caracalla) having the keel of the carolla spirally coiled like a snail shell.
 Snail shell Zool., the shell of snail.
 Snail trefoil. Bot. See Snail clover, above.

From: Webster's Revised Unabridged Dictionary (1913)

 Ed·i·ble a.  Fit to be eaten as food; eatable; esculent; as, edible fishes. --Bacon. -- n. Anything edible.
 Edible bird's nest. See Bird's nest, 2.
 Edible crab Zoöl., any species of crab used as food, esp. the American blue crab (Callinectes hastatus). See Crab.
 Edible frog Zoöl., the common European frog (Rana esculenta), used as food.
 Edible snail Zoöl., any snail used as food, esp. Helix pomatia and H. aspersa of Europe.

From: WordNet (r) 2.0

 edible snail
      n : one of the chief edible snails [syn: Helix pomatia]