Reef (5)
'reef' is the definition.
(atoll is a kind of reef)
This is the entire clue.
(Other definitions for atoll that I've seen before include "Key" , "Land around a lagoon, such as Bikini" , "Coral isle" , "Pacific coral island" , "tropical paradise?" .)
'reef' is the definition.
(coral reef is a kind of reef)
This is the entire clue.
(Other definitions for coral that I've seen before include "Shade of pink" , "Marine substance, often forms reefs" , "Pinkish-orange colour" , "rock, perhaps" , "Shakespeare: 'Full fathom five thy father lies, of his bones are . . . . . made'" .)
'reef' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for shoal that I've seen before include "shallow water" , "Mob" , "Large group of fish - sandbank" , "A great number of fish swimming together" , "School of fish" .)
(Other definitions for skerry that I've seen before include "Rocky island or reef" , "small island" , "tiny island" .)