noun

fastener

fastener, clasp, buckle

The zip on my jacket is a strong fastener.

The zipper on my jacket is a strong fastener.

Please check all the fasteners on the gate.

Please check all the fasteners on the gate.

((a/the)) fastener a device for fastening something The zipper on my jacket is a strong fastener.

Synonyms: clasp, buckle, zipper, clip

From the verb 'fasten' (to make secure) plus the agent/instrument suffix '-er'.

Think of a device that makes things 'fast' or secure, like a seatbelt fastener.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.