/ Thesaurus / S Synonyms of semicircular canal Find synonyms for: Noun1. semicircular canal, sense organ, sensory receptor, receptorusage: one of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibriumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language