Woof \Woof\ (w[=oo]f), n. [OE. oof, AS. [=o]wef, [=o]web, [=a]web; on, an, on + wef, web, fr. wefan to weave. The initial w is due to the influence of E. weave. See On, Weave, and cf. Abb.]

1. The threads that cross the warp in a woven fabric; the weft; the filling; the thread usually carried by the shuttle in weaving.

2. Texture; cloth; as, a pall of softest woof. --Pope.

Source: Webster's Revised Unabridged Dictionary (1913)