noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Any aircraft capable of taking off from, and alighting on the surface of water.
2. 2
   an airplane that can land on or take off from water wordnet

Verb

1. 1
   glide on the water in a hydroplane wordnet

Synonyms

All synonyms

flying boathydroplanehydroplaneaeroboataeroplaneairlift

Example

More examples

"We have a yacht, two helicopters, and a seaplane."

Etymology

From sea + plane. Supposedly coined by Winston Churchill.

Related phrases

seaplane carrierseaplane tenderflying boattake off

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.