/ Thesaurus / S Synonyms of seine river Find synonyms for: Noun1. Seine, Seine Riverusage: a French river that flows through the heart of Paris and then northward into the English ChannelWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language