Read the dictionary definition of raft. All definitions for this word.
1. a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
2. a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete
3. (often followed by `of') a large number or amount or extent
1. a batch of letters
2. a deal of trouble
3. a lot of money
4. he made a mint on the stock market
5. see the rest of the winners in our huge passel of photos
6. it must have cost plenty
7. a slew of journalists
8. a wad of money
4. make into a raft
1. raft these logs
5. travel by raft in water
1. Raft the Colorado River
6. transport on a raft
1. raft wood down a river