Pronunciation: (lists), [key]
—n. (used with a sing. or pl. v.)
1. an enclosed arena for a tilting contest.
2. the barriers enclosing this arena.
3. any place or scene of combat, competition, controversy, etc.
4. enter the lists, to involve oneself in a conflict or contest: to enter the lists against the protective tariff.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.