Plu´ma, n. A feather in general. Compare Penna and Plumula. (1.) A feather of which the two webs are equal and alike is called isopogonous: otherwise anisopogonous.

Plu´mage, n. The feathers, collectively; Ptilosis (which see).

Plum´beous, a. Having the color of tarnished lead; dull bluish-gray.

Plum´iped, a. Having the feet feathered.

Plu´mose, Plu´mous, a. Feathery; in general, having feathers; feathered. Compare Pennaceous and Plumulaceous.

Plu´mula, n. A down feather, lacking certain qualities and parts of a penna.

Plumula´ceous, n. Downy. Compare Pennaceous.

Pneumat´ic, a. Relating to the respiratory system; permeated with air.

Pneumogas´tric, a. Pertaining to lungs and belly; a name of the most extensive cranial nerve.

Podarth´rum, n. Foot-joint; the articulation of the toes collectively with the metatarsus. (100.)