type of pine in western U.S., 1878, from scientific name Pinus ponderosa (1836), literally "heavy pine," from Latin ponderosus (see ponderous).
Online Etymology Dictionary, © 2010 Douglas Harper
Examples from the Web for ponderosa
The expressions "ponderosa" and "magis sulcatum" were not in the original.
He reports nests in such conifers as spruce, balsam, and ponderosa pine, and in aspen and oak.
Such a growth may be seen on any species (ponderosa, albicaulis, resinosa, etc.) that can survive exposure and poor nourishment.The Genus Pinus
George Russell Shaw
It is this variety of ponderosa that climbs storm-swept ridges alone, and wanders out among the volcanoes of the Great Basin.The Yosemite
It is in a transitional zone where Ponderosa pine and junipers, pinon and scrub oak meet.The Pinos Altos Story