1. (noun)catgut, goat's rue, wild sweet pea, Tephrosia virginiana perennial subshrub of eastern North America having downy leaves yellowish and rose flowers and; source of rotenone Synonyms: goat rue, catgut, goat's rue, gut, wildsweet pea
2. (noun)catgut, gut a strong cord made from the intestines of sheep and used in surgery Synonyms: catgut, goat's rue, gut, wildsweet pea, intestine, bowel