Tease child (3)
I believe the answer is:
kid
This clue is a double definition.
'tease' is the first definition.
(kid can mean to tease or joke)
'child' is the second definition.
(I know that child can be written as kid)
(Other definitions for kid that I've seen before include "Pretend" , "Young animal or child" , "Soft leather" , "A baby goat or informal child" , "To fool; young animal" .)