Lab /(?)/

Lab

v. i.
  1. To prate; to gossip; to babble; to blab. [Obs.]

lab

n.
  1. A telltale; a prater; a blabber. [Obs.]
  2. Laboratory. [Colloq.]

lab

a.
  1. Of or pertaining to a laboratory; as, a lab bench. [Colloq.]