(transitive, idiomatic) To know (something or someone) very thoroughly.

Used other than figuratively or idiomatically: see you, know. / (informal) Expression signifying a pause or hesitation.

Full of knots; knotty. / Tied in knots. / Tangled, tangly, knotty, entangled, matted, snarled, unkempt, or uncombed. / Having the shape or form of a knot.

simple past tense and past participle of knot

The medical condition genu valgum

A knot used to securely tie two pieces of rope together, or to reef sails.

People tend to take things for granted while they are available.

In a knowledgeable manner.

Alternative spelling of knock knee

Capable of being known, understood or comprehended.