Lab
Lab , intransitive verb
[Compare OD. labben to babble.]
To prate; to gossip; to babble; to blab. [Obsolete] — Chaucer
lab , noun
1.
A telltale; a prater; a blabber. [Obsolete]
I am no lab.
2.
Laboratory. [Colloquial]
lab , adjective
Of or pertaining to a laboratory; as, a lab bench. [Colloquial]