Knŏb, n.

(nŏb), n. [A modification of knop, q. v.]

1. A hard protuberance; a hard swelling or rising; a bunch; as, a knob in the flesh, or on a bone; hence, a round ball at the end of any thing; as, the knob of a lock.
2. A rounded hill or mountain; as, the Pilot Knob. [U. S.] Bartlett.
3. (Arch.) See KNOP.