Clat·ter v. i. [imp. & p. p. Clattered p. pr. & vb. n. Clattering.]
1. To make a rattling sound by striking hard bodies together; to make a succession of abrupt, rattling sounds.
Clattering loud with iron clank. --Longfellow.
2. To talk fast and noisily; to rattle with the tongue.
I see thou dost but clatter. --Spenser.