Prate, v. t.
To utter foolishly; to speak without reason or purpose; to chatter, or babble. What nonsense would the fool, thy master, prate, When thou, his knave, canst talk at such a rate ! Dryden.
2 other Webster entries under this spelling
Prate, v. i. [imp. & p. p. Prated; p. pr. & vb. n. Prating.]
To talk much and to little purpose; to be loquacious; to speak foolishly; to babble. To prate and talk for life and honor. Shak. And make a fool presume to prate of love. Dryden.
Prate, n.
Talk to little purpose; trifling talk; unmeaning loquacity. Sick of tops, and poetry, and prate. Pope.