needle-shaped, as the leaves of the pine.
Origin of acerose1
mixed with chaff.
Origin of acerose2
1715–25; < Latin acerōsus, equivalent to acer- (stem of acus) chaff + -ōsus -ose1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
shaped like a needle, as pine leaves
Word Origin for acerose
C18: from Latin acerōsus full of chaff (erroneously used by Linnaeus as if derived from ācer sharp)
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