belonging to the plant family Pinaceae.
Compare pine family.
Origin of pinaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or belonging to the Pinaceae, a family of conifers with needle-like leaves: includes pine, spruce, fir, larch, and cedar
Word Origin for pinaceous
C19: via New Latin from Latin pīnus a pine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012