buttonhook

UK: /ˈbʌt^ənˌhʊk/ US: (but′n hŏŏk′)

WordReference Random House Unabridged Dictionary of American English © 2025

but•ton•hook  (but′n hŏŏk′), n. 

1. Clothing a small, usually metal hook for pulling buttons through buttonholes, as on gloves, dresses, breeches, etc.

• button + hook 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::

buttonhook / ˈbʌt^ənˌhʊk/ noun

1. a thin tapering hooked instrument formerly used for pulling buttons through the buttonholes of gloves, shoes, etc