Meanings
nounseaplane (plural seaplanes)
plural seaplanes
- aircraftnauticalAny aircraft capable of taking off from, and alighting on the surface of water.
Synonyms: hydroplane
Synonyms & antonyms
nounAny aircraft capable of taking off from, and alighting on the surface of water.
Similar
More synonyms by meaning
nounan airplane that can land on or take off from water
Similar
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From sea + plane. Supposedly coined by Winston Churchill.
Full word history & related roots →Translations
Afrikaans vliegboot
- vliegbootan aircraft
Basque ur-hegazkin
- ur-hegazkinan aircraft
Bulgarian хидроплан
- хидроплан (hidroplan)an aircraft
Catalan hidroavió
- hidroavióan aircraft
Chinese Mandarin 水上飛機 /水上飞机
- 水上飛機 /水上飞机 (shuǐshàng fēijī)an aircraft
Czech hydroplán
- hydroplánan aircraft
Danish vandfly
- vandflyan aircraft
Dutch watervliegtuig
- watervliegtuigan aircraft
Esperanto hidroplano
- hidroplanoan aircraft
Estonian vesilennuk
- vesilennukan aircraft
Finnish vesitaso, vesilentokone
- vesitasoan aircraft
- vesilentokonean aircraft
French hydravion
- hydravionan aircraft
German Wasserflugzeug
- Wasserflugzeugan aircraft
Greek υδροπλάνο
- υδροπλάνο (ydropláno)an aircraft
Hungarian hidroplán
- hidroplánan aircraft
Icelandic sjóflugvél
- sjóflugvélan aircraft
Italian idrovolante
- idrovolantean aircraft
Japanese 水上機
- 水上機 (suijōki)an aircraft
Norwegian Bokmål sjøfly
- sjøflyan aircraft
Polish wodnosamolot, hydroplan
- wodnosamolotan aircraft
- hydroplanan aircraft
Portuguese hidroavião
- hidroaviãoan aircraft
Romanian hidroavion
- hidroavionan aircraft
Russian гидросамолёт, гидропла́н
- гидросамолёт (gidrosamoljót)an aircraft
- гидропла́н (gidroplán)an aircraft
Spanish hidroavión, hidroplano
- hidroaviónan aircraft
- hidroplanoan aircraft
Swedish sjöflygplan
- sjöflygplanan aircraft
Turkish deniz uçağı
- deniz uçağıan aircraft
Vietnamese thuỷ phi cơ
- thuỷ phi cơan aircraft
Rhymes & wordplay
Anagrams
Cite this entry
APA
seaplane. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/seaplane
MLA
“seaplane.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/seaplane. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “seaplane,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/seaplane.
Source: seaplane on Wiktionary, CC BY-SA 4.0.