<p><strong>Verb</strong></p><ul><li>(used without object) to talk in a foolish or simple-minded way; chatter; babble.</li><li>(used with object) to utter by chattering or babbling.</li></ul><p><strong>Noun</strong></p><ul><li>the act of prattling; chatter; babble.</li><li>the prattle of children.</li><li>a babbling sound; the prattle of water rushing over stones.</li></ul>