a door having glass panes throughout or nearly throughout its length.
“In Case Of” vs. “In The Event Of”: Which One Is Correct?Do you break the glass in case of emergency or in the event of emergency? The phrases in case of and in the event of are both prepositions.
Origin of French door
First recorded in 1920–25
Also called casement door.
Definition for casement door (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019