Breadcrumb Home > Thesaurus > S Synonyms of seaplane Find synonyms for: Noun 1. seaplane, hydroplane, airplane, aeroplane, plane usage: an airplane that can land on or take off from water; "the designer of marine aircraft demonstrated his newest hydroplane" Verb 1. hydroplane, seaplane, fly, aviate, pilot usage: glide on the water in a hydroplane WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of seaplane (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language