'floatplane' definitions:

Definition of 'floatplane'

(from WordNet)
noun
A seaplane equipped with pontoons for landing or taking off from water [syn: floatplane, pontoon plane]

Definition of 'floatplane'

From: GCIDE
  • floatplane \floatplane\ n. a plane equipped with pontoons for landing or taking off from water.
  • Syn: pontoon plane, seaplane. [WordNet 1.5]