Pronunciation: (sek'stunz), [key]
—gen. Sex•tan•tisPronunciation: (sek-stan'tis) [key] for 1.
1. Astron.the Sextant, an equatorial constellation between Hydra and Leo.
2. (l.c.) a bronze coin of ancient Rome, the sixth part of an as, issued during the period of the Republic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.