| 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. |
pectoral pec·to·ral (pěk'tər-əl)
adj.
Relating to or situated in the breast or chest.
Useful in relieving disorders of the chest or respiratory tract.
| pectoral (pěk'tər-əl) Pronunciation Key
Located in or attached to the chest, as a pectoral fin or a pectoral muscle. |