1 † n. Lumbering a number of pieces of timber pinned, bound, or otherwise kept together to facilitate transport by water.
See also: boom ((2)) ((n.)) (def. 3b) timber raft
2 n. Lumbering, Hist. a large assemblage of square timbers, spars, etc. arranged in any of several ways according to the conditions of the waterways used. [See picture at raft.]
See also: crib (def. 1a) dram float (def. 1) lumber raft traverse ((2)) ((n.)) withe ((n.))
3 n. of ice, an ice formation resulting from large cakes of ice being lifted by pressure on top of other ice.