POISON n.
ed along an organ capable of inflicting a wound. -- Poison hemlock (Bot.), a poisonous umbelliferous plant (Conium maculatum). See Hemlock. -- Poison ivy (Bot.), a poisonous climbing plant (Rhus Toxicodendron) of North America. It is common on stone walls and on the trunks of trees, and has trifoliate, rhombic-ovate,…
PORCUPINE n.
h, by coiling and uncoiling through changes in moisture, propels the sharp-pointed and barbellate grain into the wool and flesh of sheep. It is found from Illinois westward. See Illustration in Appendix. -- Porcupine wood (Bot.), the hard outer wood of the cocoa palm; -- so called because, when cut horizontally, the m…
POTTER n.
The red-bellied terrapin. See Terrapin. Potter's asthma (Med.), emphysema of the lungs; -- so called because very prevalent among potters. Parkers. -- Potter's clay. See under Clay. -- Potter's field, a public burial place, especially in a city, for paupers, unknown persons, and criminals; -- so named from the field…
PRANGOS n.
A genus of umbelliferous plants, one species of which (P. pabularia), found in Thibet, Cashmere, Afghanistan, etc., has been used as fodder for cattle. It has decompound leaves with very long narrow divisions, and a highly fragrant smell resembling that of new clover hay.
PUNCH n.
A prop, as for the roof of a mine. Bell punch. See under Bell. -- Belt punch (Mach.), a punch, or punch pliers, for making holes for lacings in the ends of driving belts. -- Punch press. See Punching machine, under Punch, v. i. -- Punch pliers, pliers having a tubular, sharp-edged steel punch attached to one of the…