From Longman Dictionary of Contemporary Englishrubber dinghyˌrubber ˈdinghy noun [countable] TTWDLOa small rubber boat that is filled with air
Examples from the Corpus
rubber dinghy• If not a Carley float, then certainly an inflatable rubber dinghy.• I took the chance to inflate the little rubber dinghy and row off to see the raft from a distance.• Everyone else was busy, so I launched the small rubber dinghy and started rowing.• So I paddled ashore in the rubber dinghy with Nina. 