From Wiktionary, the free dictionary
Borrowed from French abat-jour, from abattre (“to throw down”) + jour (“day, daylight”).
- (US) IPA(key): /ˌɑˌbɑˈʒʊ.ɚ/, /ˌɑˌbɑˈʒʊɹ/
abatjour (plural abatjours)
- A skylight or other device whose purpose is to direct light into a room.
device whose purpose is to direct light into a room