摁扣儿 ènkòur snap fastener Definitions Defs Origin Strokes Stroke Words Sentences Sents 摁 èn to press to press down or push with the hand or a fingertip扣 kòu noun fastener button; buckle; clasp儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.