Dictionary
mas•tig•i•um
Pronunciation: (ma-stij'ē-um), [key]—
n.,
—pl. mas•tig•i•aPronunciation: (ma-stij'ē-u). [key]
an extensible, lashlike, anal organ in certain caterpillars.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.