Hideaway
'hideaway' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lair that I've seen before include "Secret base" , "office?" , "Flashy man" , "Den of a wild animal" , "Rail around animal's den" .)
'hideaway' is the definition.
(I know that hideaway can be written as retreat)
This is the entire clue.
(Other definitions for retreat that I've seen before include "unhappy manoeuvre" , "Back away" , "What cowards might do" , "secluded place" , "snug" .)