Source : Webster's Revised Unabridged Dictionary (1913)

Scillain \Scil"la*in\, n. (Chem.)
   A glucoside extracted from squill ({Scilla}) as a light
   porous substance.

Source : WordNet®

scilla
     n : an Old World plant of the genus Scilla having narrow basal
         leaves and pink or blue or white racemose flowers [syn: {squill}]