Inlets where jay enters shallow waters (6)
I believe the answer is:
fjords
'inlets' is the definition.
(I know this)
'jay enters shallow waters' is the wordplay.
'jay' becomes 'j'.
'enters' means one lot of letters goes inside another.
'shallow waters' becomes 'fords' (ford is a kind of water. I am not sure about the 'shallow' bit.).
'j' placed inside 'fords' is 'FJORDS'.
'where' acts as a link.
Can you help me to learn more?
(Other definitions for fjords that I've seen before include "More than one Channel" , "Rock-bound inlets" , "rocky inlets" , "Scandinavian inlets" , "Long narrow sea inlets between steep cliffs in Norway" .)