The Collaborative International Dictionary of English v.0.48:
Raft \Raft\, n. [Originally, a rafter, spar, and fr. Icel. raptr
a rafter; akin to Dan. raft, Prov. G. raff a rafter, spar;
cf. OHG. r[=a]fo, r[=a]vo, a beam, rafter, Icel. r[=a]f roof.
Cf. Rafter, 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. [Perhaps akin to raff a heap.] A large collection of
people or things taken indiscriminately. [Slang, U. S.] "A
whole raft of folks." --W. D. Howells.
(a) A bridge whose points of support are rafts.
(b) A bridge that consists of floating timbers fastened
Raft duck. [The name alludes to its swimming in dense
(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.