/ Thesaurus / P Synonyms of palaemon australis Find synonyms for: Noun1. long-clawed prawn, river prawn, Palaemon australis, prawnusage: large (a foot or more) edible freshwater prawn common in Australian riversWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language