Answer is REHEARSE.
CHUMP FROM CALICUT ABANDONS THREE BANANAS BEHIND TRAIN (8)
DEFINITION: TRAIN CLUE TYPE: LETTER SELECTION, DELETION, ANAGRAM, CHARADE ANNOTATION: CHUMP FROM CALICUT = T (LAST LETTER), ABANDONS = DEPARTURE IND, ANAGRAM FODDER =THREE, BANANAS = ANAGRAM IND, BEHIND = ARSE