/ Dictionary / Index P ponderosa pine: Meaning and Definition of Find definitions for: pon'der•o'sa pine' Pronunciation: (pon'du-rō'su, pon"-), [key] Also calleda large pine, Pinus ponderosa, of western North America, having yellowish-brown bark: the state tree of Montana. the light, soft wood of this tree, used for making furniture and in the construction of houses, ships, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ponderable ponderous Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language