ansa an·sa (ān'sə)
n. pl. an·sae (-sē)
An anatomical structure shaped like a loop or an arc.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |