Pig´ment, n. Coloring-matter.
Pil´eus (also written pileum), n. The cap; top of head from base of bill to nape. (30.)
Pin´eal Body, n. A small organ associated with the brain.
Pin´ion, n. Part of the wing beyond the wrist exclusive of the feathers; usually the metacarpus and phalanges; the hand bone. Not technically used synonymously with quill or wing.
Pin´nated, a. Having little wing-like tufts of feathers on the neck.
Pin´niform, a. An epithet of the penguin’s wing; fin-like.
Pisciv´orous, a. Fish-eating.
Pitu´itary, a. That secretes mucus. Pituitary membrane, the mucous membrane of the nasal passages. Pituitary gland, a certain appendage of the brain.
Pla´ga, n. Stripe of color.
Plan´ta, a. Back of tarsus, homologically the sole. (106.)