Dictionary
ab•a•cis•cus
Pronunciation: (ab"u-sis'kus, -kis'-), [key]—
n.,
—pl. -cis•ciPronunciation: (-sis'ī, -kis'kī). [key]
1. Archit.a small abacus.
2. a tessera.
Also,abaculus.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.