PRAT'TLE, verb intransitive [dim. of prate.] To talk much and idly; to be loquacious on trifling subjects. This word is particularly applied to the talk of children. PRAT'TLE, noun Trifling talk; loquacity on trivial subjects. Mere prattle without practice, Is all his soldiership.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI