nounWord forms: plural ˈbayˌberries
a tropical American tree (Pimenta racemosa) of the myrtle family, that yields an aromatic oil used in making bay rum
a family (Myricaceae) of aromatic, dicotyledonous trees and shrubs (order Myricales)
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.