Pronunciation: (kum-pul'su-rē), [key]
—adj., n., pl. -ries.
1. required; mandatory; obligatory: compulsory education.
2. using compulsion; compelling; constraining: compulsory measures to control rioting.
something, as an athletic feat, that must be performed or completed as part of a contest or competition: The ice skater received a higher score on the compulsories than on her freestyle performance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.