A jam that's like glue? (3)
I believe the answer is:
fix
This clue could be a double definition.
'a jam' is the first definition.
(I know that jam can be written as fix)
'like glue?' is the second definition.
'fix' can be an answer for 'glue?' (thesaurus). I'm not certain of the 'like' bit.
'that's' is the link.
Can you help me to learn more?
(Other definitions for fix that I've seen before include "Fasten" , "Repair or attach" , "Predicament" , "mess" , "Arrange" .)