1. any of a genus (Myrtus) of plants of the myrtle family, with evergreen leaves, white or pinkish flowers,
and dark, fragrant berries
3. designating a family (Myrtaceae, order Myrtales) of dicotyledonous, evergreen trees
and shrubs, including eucalyptus, guava, clove, and blue gum
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'myrtle'ME mirtille < OFr myrtille < ML myrtillus, dim. < L myrtus < Gr myrtos, myrtle, prob. < Sem; ? akin to Ar murr, myrrh