- 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
--1 is a kind of hoary pea
- catgut, gut - a strong cord made from the intestines of sheep and used in surgery
--2 is a kind of cord
--2 is a substance of suture