fastener

noun

fas·​ten·​er -s(ᵊ)nə(r) 

plural -s

: one that fastens: such as

a

: a device (as a button, hook and eye, zipper, or snap) that joins together separate parts or closes an opening (as on a garment)

b

: a device for holding shut or preventing opening

attached a chain fastener to the door

a catch fastener on a traveling bag

c

: a worker who fastens together the timbers, subassemblies, steel plates, and other parts in the construction of ships

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