Several loons? (6)
I believe the answer is:
divers
I believe this is a double definition.
'several' is the first definition.
(thesaurus)
'loons?' is the second definition.
('diver' can be a synonym of 'loon')
(Other definitions for divers that I've seen before include "Some water-birds; assorted" , "footballers going to the ground, needlessly" , "Sundry - underwater explorers" , "people taking the plunge" , "ducklike birds" .)