(chemistry, obsolete) An acid which is the chief constituent of common resin.

(poetic, nonce word) winged creatures

plural of pinid

(botany) Any conifer in the family Pinidae.

plural of pining

Wire fluted longitudinally, for making the pinions of clocks and watches. It is formed by being drawn through holes of the shape required for the leaves or teeth of the pinions.

The pinion on the minute hand arbor of a watch or clock, which drives the hand but permits it to be moved in setting.

(now rare, historical) A cucking stool.

plural of pinite

plural of pinitol