Source : Webster's Revised Unabridged Dictionary (1913)

Squilla \Squil"la\, n.; pl. E. {Squillas}, L. {Squill[ae]}. [L.,
   a sea onion, also, a prawn or shrimp. See {Squill}.]
   (Zo["o]l.)
   Any one of numerous stomapod crustaceans of the genus
   {Squilla} and allied genera. They make burrows in mud or
   beneath stones on the seashore. Called also {mantis shrimp}.
   See Illust. under {Stomapoda}.

Source : WordNet®

squilla
     n : a kind of mantis shrimp [syn: {mantis prawn}]
     [also: {squillae} (pl)]

squillae
     See {squilla}