Large group of fish (6)
'large group of fish' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shoal that I've seen before include "shallow water" , "Mob" , "Lots of fish" , "Collection of fish" , "Swarm of fish" .)
'large group of fish' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for school that I've seen before include "Where 2 takes place" , "Educational tool" , "Forms" , "a lot of swimmers" , "Teaching establishment" .)