noun🔗ShareBalustreA short column used in a group to support a rail, as commonly found on the side of a stairway; a banister."The little boy ran his fingers along the smooth, white balusters of the staircase. "Le petit garçon passa ses doigts le long des balustres lisses et blancs de l'escalier.architecturebuildingmaterialChat with AIVocabulary GamePractice Reading