Meaning of FIT in English
(SHORT FEELING) [noun] [C] - a short experience of a slight illness or an emotiona coughing fitIt was said in a fit of anger/rage.His stories had them in fits (of laughter) (= made them laugh very much).In/By fits and starts means irregularly or in small groups.The replies to the advertisement are arriving in fits and starts.
Cambridge English vocab. Кембриджский английский словарь. 2012