ˈjefrē- noun
also jef·frey's pine -ēz-
Usage: usually capitalized J
Etymology: after John Jeffrey, 19th century Scottish gardener and botanical explorer
: a tall symmetrical pine ( Pinus jeffreyi ) of western No. America that has long blue-green needles in groups of three and elongated cones borne on spreading or somewhat pendulous branches and that is sometimes classified as a variety of the ponderosa pine from which it differs chiefly in lighter color of bark and needles