| 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 scrap or morsel of food left at a meal. |
asternal a·ster·nal (ā-stûr'nəl, ə-stûr'-)
adj.
Not related to or connected with the sternum, as a rib.
Lacking a sternum.