Crenel

kren′el, Crenelle , kre-nel′, n. ( arch it. ) an opening in a parapet for shooting through: a battlement—dim. Cren′elet .— n. Crenaux (krē′nō), crenellations or loopholes in a fortre .— v.t. Cren′ellate .— adjs. Crenellāt′ed , furnished with battlements: indented.— n. Crenellā′tion .— adjs. Crenelle′ ( her. ), embattled; Crenelled′ , having embrasures. [Fr.,—Low L. crena , a notch.]