Lions and tigers? (4)
I believe the answer is:
cats
'lions and tigers?' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cats that I've seen before include "Some 6 Downs" , "Musical from TS Eliot" , "Feline musical by Andrew Lloyd Webber" , "Carnivores - stage musical" , "Jaguars, say" .)