Definition of Pinaceae
: a family of coniferous trees and shrubs (order Coniferales) comprising plants with needle-shaped or scalelike leaves, cones with woody, fleshy, or membranous scales, and fine-grained wood that is often of great economic value and being often divided into four or more smaller families (as Araucariaceae, Taxodiaceae, and Cupressaceae) — compare taxaceae
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Origin and Etymology of pinaceae
New Latin, from Pinus, type genus + -aceae
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