Lāb1, n.
n. [O. Eng. lab, to blab. Cf. Prov. Ger. labbern, labern, to chat, blab, labbe, lip, mouth; O. D. labben, labberen, to babble.] A great talker; a blabber. [Obs.] Chaucer.
2 entries under this word
Lab
Lăb2, v. i.
[See supra.] To talk excessively or thoughtlessly; to babble; to blab. [Obs.] Chaucer.