IPA: /ˈplʌɡər/
KK: /ˈplʌɡər/
A tool used by dentists to pack or insert filling material into a cavity in a tooth.
The dentist used a plugger to fill the cavity in my tooth.
Plugger → The word is formed from "plug" (originating from Middle English *plogge*, meaning to thrust or push) and the suffix "-er" (meaning a person who performs an action). A plugger is a person who plugs or thrusts something into a socket or opening.
Think of someone who 'thrusts' or 'pushes' something into a place — that's what a plugger does.