/ Thesaurus / P Synonyms of pacific plum Find synonyms for: Noun1. Sierra plum, Pacific plum, Prunus subcordata, plum, plum treeusage: shrub of the Pacific coast of the United States bearing small red insipid fruitWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language