Place to put in (4)
I believe the answer is:
cove
'place to put in' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for cove that I've seen before include "Small sheltered inlet" , "Sheltered accommodation" , "A small sea inlet or slangy man" , "Sheltered bay, inlet" , "Old fish" .)