Dictionary
ep•i•ster•num
Pronunciation: (ep"u-stûr'num), [key]—
n.,
—pl. -naPronunciation: (-nu). [key]
1. Anat.manubrium.
2. Entomol.the anterior portion of a pleuron.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.