fastener

fastener汉语翻译：
n. 结扎工, 使系牢之物
【化】紧固零件英语解释：
名词 fastener:

a person who fastens or makes fast

restraint that attaches to something or holds something in place同义词：fastening, holdfast, fixing

A slim, pointed piece of metal hammered into material as a fastener.钉子，图钉一细的尖头金属，用于楔入某物，如图钉

He's nipped his thumb in the fastener.他的姆指被钩扣夹住了。