Pec´toral, a. Pertaining to the breast. The pectoral muscles of birds, three in number, are the principal ones in point of bulk in most birds; they move the wing as a whole.

Pec´tus, n. Breast. (62.) Anterior portion of lower part of trunk, between jugulum and abdomen; properly, the region overlying and containing the breast-bone, but generally restricted to the more forward swelling portion of such region.

Pe´des, n.; pl. of pes. Feet. (96.) Leg beyond the end of the tibia.

Ped´icel, n. Narrow foot-stalk or stem by which an organ is attached. Same as peduncle.

Pelag´ic, a. Frequenting the high seas.

Pel´licle, n. Any very delicate membrane.

Pel´ma, n. The track; entire lower surface of the toes. (114.)

Pel´vic, a. Pertaining to the pelvis.

Pel´vis, n. Cavity of the body formed by the ossa innominata, sacrum, and coccyx; also, these bones collectively.

Pe´nial, a. Pertaining to the penis.