Definition of notch

• n. - A hollow cut in anything; a nick; an indentation.
• n. - A narrow passage between two elevation; a deep, close pass; a defile; as, the notch of a mountain.
• v. t. - To cut or make notches in ; to indent; also, to score by notches; as, to notch a stick.
• v. t. - To fit the notch of (an arrow) to the string.