|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a fool or simpleton; ninny.|
|—n , pl -saries|
|1.||a person or group that is hostile to someone; enemy|
|2.||an opposing contestant in a game or sport|
|3.||the US term for adversarial|
|[C14: from Latin adversārius, from adversus against. See |
(Heb. satan), an opponent or foe (1 Kings 5:4; 11:14, 23, 25; Luke 13:17); one that speaks against another, a complainant (Matt. 5:25; Luke 12:58); an enemy (Luke 18:3), and specially the devil (1 Pet. 5:8).