The Collaborative International Dictionary of English v.0.48:
Knot \Knot\, v. t. [imp. & p. p. Knotted; p. pr. & vb. n. Knotting.] 1. To tie in or with, or form into, a knot or knots; to form a knot on, as a rope; to entangle. "Knotted curls." --Drayton. [1913 Webster] As tight as I could knot the noose. --Tennyson. [1913 Webster] 2. To unite closely; to knit together. --Bacon. [1913 Webster] 3. To entangle or perplex; to puzzle. [Obs. or R.] [1913 Webster]