[f. CLATTER v. + -ER.] One who clatters; † a chatterer, babbler; tattler.
1388. Pol. Poems (1859), I. 271. Wolde God swoche claterers sua subdant colla securi.
c. 1400. Destr. Troy, 11375. A claterer of mowthe, þat no councell can kepe.
1519. Horman, Vulg., 73 b. He is a great prater or claterar.
1581. J. Bell, Haddons Answ. Osor., 23 b. A fonde brabblyng clatterer.