(transitive) To form into a knot; to tie with a knot or knots. / (transitive) To form wrinkles in the forehead, as a sign of concentration, concern, surprise, etc. / To unite closely; to knit together.

One of a variety of shore birds; the red-breasted sandpiper (variously Calidris canutus or Tringa canutus).

(medicine) A calculus in the kidney.

(Britain, slang) To undress or be naked.

(idiomatic, US, Canada, colloquial, vulgar) To win decisively. / (idiomatic, US, Canada, colloquial, vulgar) To be very impressive.

(vulgar, slang) Used to express happiness or a feeling of accomplishment.

An edible plant, similar to cabbage, with curled leaves that do not form a dense head (Brassica oleracea var. acephala) / Any of several cabbage-like food plants that are kinds of Brassica oleracea.

North Yemen from 1918 to 1962

(mathematics) A branch of topology dealing with knots.

(transitive, UK) To provide with equipment. / (transitive, UK) To prepare a boat or vehicle for a voyage or journey. / (transitive, UK) To supply with or dress in a uniform, especially a sports kit.