IPA: /ˈwaɪdənər/
KK: /ˈwaɪdənər/
A tool or device that is used to make something wider, often used in drilling to create larger holes.
The carpenter used a widener to enlarge the hole for the new door handle.
Widener → It is formed from "wide" (from Old English "wīd", meaning broad or extensive) and "-er" (meaning a person who). The word "widener" refers to a person or thing that makes something wider or broader.
Think of someone who makes things 'broad' or 'extensive' — that's what a 'widener' does.