noun🔗ShareA window sash that is hinged on the side."She opened the casement to let in the fresh morning air. "architecturebuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareA window having such sashes; a casement window.Wp"The cool evening breeze drifted into the room through the open casement. "architecturebuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareOccasionally seen as a usage error due to the similarity of the words: A casemate.""She opened the casement window to let in the fresh morning air, enjoying the breeze before starting her homework – it was definitely a window, not a fortified casemate." "architecturelanguageChat with AIVocabulary GamePractice Reading
