IPA: //ˈneɪlˌbrʌʃ//
KK: /ˈneɪlˌbrʌʃ/
A small brush with stiff bristles used to clean fingernails and toenails.
She used a nailbrush to clean her nails before the party.
Nailbrush → The word is formed from "nail" (from Old English *nægl*, meaning a small, hard structure at the end of a finger or toe) and "brush" (from Old French *brosse*, meaning a tool with bristles). A nailbrush is a tool with bristles used for cleaning the nails.
Think of a 'small hard structure' ('nail') that you clean with a 'tool with bristles' ('brush'). This helps you remember that a nailbrush is used for cleaning nails.