Source : Webster's Revised Unabridged Dictionary (1913)

Edible \Ed"i*ble\, a. [L. edibilis, fr. edere to eat. See
   {Eat}.]
   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} (Zo["o]l.), any species of crab used as food,
      esp. the American blue crab ({Callinectes hastatus}). See
      {Crab}.

   {Edible frog} (Zo["o]l.), the common European frog ({Rana
      esculenta}), used as food.

   {Edible snail} (Zo["o]l.), any snail used as food, esp.
      {Helix pomatia} and {H. aspersa} of Europe.

Source : WordNet®

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