Raft, n.
 1. A collection of logs, boards, pieces of timber, or the like, fastened together, either for their own collective conveyance on the water, or to serve as a support in conveying other things; a float.
 2. A collection of logs, fallen trees, etc. (such as is formed in some Western rivers of the United States), which obstructs navigation. [U.S.]
 3.  A large collection of people or things taken indiscriminately. [Slang, U. S.] “A whole raft of folks.”
 Raft bridge. (a) A bridge whose points of support are rafts. (b) A bridge that consists of floating timbers fastened together.
 Raft duck. [The name alludes to its swimming in dense flocks.] Zool. (a) The bluebill, or greater scaup duck; -- called also flock duck. See Scaup. (b) The redhead.
 Raft port Naut., a large, square port in a vessel's side for loading or unloading timber or other bulky articles; a timber or lumber port.