noun

fastener

fastener, clasp, catch

This jacket has a zip fastener.

This jacket has a zip fastener.

a ((type of)) fastener a device for fastening things This jacket has a zip fastener.

Synonyms: clasp, buckle, zip, clip

From the verb 'to fasten' plus the suffix '-er', which indicates an instrument. So, it's a thing that fastens.

Think of something that makes things 'fast' in the sense of 'firm' or 'secure', not 'quick'.

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