/ Thesaurus / S Synonyms of seminiferous tubule Find synonyms for: Noun1. seminiferous tubule, tubuleusage: any of the numerous long convoluted tubules in the testis which are the sites where spermatozoa matureWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language