From Longman Dictionary of Contemporary Englishseaplanesea‧plane /ˈsiːpleɪn/ noun [countable] TTAa plane that can take off from and land on a body of water
Examples from the Corpus
seaplane• Cruising around in a seaplane is all very well, but water-work is always the most fun.• I think the best and most delightful way to come to Newfoundland is by seaplane.• The lights of an aircraft were stretched on timbers, but no seaplane - and I did not hit one.• He learned to fly, naturally, on seaplanes.• Ten minutes from the sea is for those who possess a helicopter or seaplane.• We were to bomb the seaplane base at Hornum on the southernmost tip of the island. 