Infantryman backed-up toilets in chilly domiciles (6)
I believe the answer is:
igloos
'chilly domiciles' is the definition.
The definition and answer can be both man-made objects as well as being plural nouns.
Maybe they are linked in a way I don't understand?
'infantryman backed-up toilets' is the wordplay.
'infantryman' becomes 'gi' (I can't justify this - if you can you should believe this answer much more).
'backed up' is a reversal indicator.
'toilets' becomes 'loos' (loo can informally mean a toilet).
'gi' backwards is 'ig'.
'ig'+'loos'='IGLOOS'
'in' acts as a link.
Can you help me to learn more?
(Other definitions for igloos that I've seen before include "Ice-houses for Eskimos" , "Housing" , "Frozen homes for Eskimos (6)" , "Ice homes for eskimos" , "Arctic homes" .)