porthole Synonyms

embrasure port picture window interface fanlight bullseye fenestella knothole windowpane window vent skylight pigeonhole peephole pinhole rose window round window embrasures Windows viewport oriel opening oculus dormer door crenelle crenel companion clearstory channel casement bunghole bow bay window bay armhole eyelet fenestra fenestration mousehole manhole machicolated lunette loophole light keyhole jalousie illuminator hole hatchway