Ages (4)
'ages' is the definition.
(eon is a kind of age)
This is all the clue.
(Other definitions for eons that I've seen before include "Nose (anag)" , "Years and years" , "Long periods of time - noes have it" , "Times" , "Endless periods" .)
'ages' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for eras that I've seen before include "Periods, ages" , "At least two times" , "typeface" , "Periods of time" , "Epochs" .)
'ages' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for eon that I've seen before include "Geological period" , "thousand million years" , "Vast age (alt. sp.)" , "An immense time" , "Very long age" .)