raft

Từ điển Oxford Advanced Learner 8th

raft [raft rafts rafted rafting] BrE [rɑːft] NAmE [ræft] noun
1. a flat structure made of pieces of wood tied together and used as a boat or floating platform
2. a small boat made of rubber or plastic that is filled with air
•an inflatable raft
3. usually singular ~ of sth (informal)a large number or amount of sth
•a whole raft of new proposals

Word Origin:
senses 1 to 2 late Middle English ‘beam, rafter’ Old Norse raptr ‘rafter’ sense 3 mid 19th cent. raff ‘abundance’ Scandinavian ↑raft ‘floating mass’

Example Bank:
•He was found floating on a raft.
•The raft floated away down the river.
•The two airmen inflated the life raft.
•They built a raft of logs.
•We paddled the raft to the shore.
•a life raft