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Definition of seaplane
seaplane
/ˈsiːpleɪn/
Plural:seaplanes
seaplane Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
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• noun
1
A fixed-wing aircraft designed to take off from and land on water, typically equipped with floats or a specially designed hull instead of wheeled landing gear.
Example
"The researchers chartered a small seaplane to travel from the mainland to the remote island archipelago."
Synonyms
View all synonyms for seaplane Antonyms
View all antonyms for seaplane• Rhymes for seaplane
Word Origin & Etymology
Coined in the early 20th century by combining the noun 'sea' and 'plane' (a common shortening of aeroplane).
Cite this Entry
Wordmom. (2026). Definition of Seaplane. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/seaplane