We found 26 dictionaries that define the word seaplane:

General (23 matching dictionaries)

1. seaplane: Longman Dictionary of Contemporary English
2. seaplane: Merriam-Webster
3. seaplane: Oxford Learner's Dictionaries
4. seaplane: American Heritage Dictionary of the English Language
5. seaplane: Collins English Dictionary
6. seaplane: Vocabulary.com
7. Seaplane, seaplane: Wordnik
8. seaplane: Cambridge Advanced Learner's Dictionary
9. Seaplane: InfoVisual Visual Dictionary
10. seaplane: Wiktionary
11. seaplane: Webster's New World College Dictionary, 4th Ed.
12. seaplane: The Wordsmyth English Dictionary-Thesaurus
13. seaplane: Infoplease Dictionary
14. seaplane: Dictionary.com
15. seaplane: Online Etymology Dictionary
16. seaplane: Cambridge Essential American English Dictionary
17. Seaplane, Seaplane: Wikipedia, the Free Encyclopedia
18. seaplane: Rhymezone
19. seaplane: FreeDictionary.org
20. seaplane: Mnemonic Dictionary
21. seaplane: TheFreeDictionary.com

Business (1 matching dictionary)

22. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

23. seaplane: Encyclopedia

Tech (1 matching dictionary)

24. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See seaplanes as well.)

Definitions from Wiktionary ( ) ▸ noun:  (aircraft, nautical) Any aircraft capable of taking off from, and alighting on the surface of water. Similar: hydroplane, flying boat, floatplane, hydroaviation, landplane, aquaplane, airlanding, water landing, carplane, airship, more... Opposite: landplane, ground plane, terrestrial plane Types: flying boat, amphibiaircraft, more... Phrases: seaplane base, seaplane tender, seaplane tenders, Lake Hood Seaplane Base, Barnegat-class seaplane tender, more... Adjectives: small, first, german, british, engine, large, japanese, little, big, seat, old ▸ Word origin ▸ Words similar to seaplane ▸ Usage examples for seaplane ▸ Idioms related to seaplane ▸ Wikipedia articles (New!) ▸ Popular adjectives describing seaplane ▸ Words that often appear near seaplane ▸ Rhymes of seaplane ▸ Invented words related to seaplane