Informal talk (4)
I believe the answer is:
chat
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">informal talk</span>' is the definition.<br/ ><span class="explanation-format__explanation">(a chat is a casual conversation)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for chat that I've seen before include "waffle?" , "(13) [FRENCH] Cat" , "A bird; converse" , "Bird - talk easily" , "Talk casually" .)