IPA: /ˈboʊn.ləs/
KK: /ˈboʊn.ləs/
Without bones, especially in reference to meat or poultry that is ready to eat.
The chef prepared a boneless chicken breast for the dinner.
Boneless → It is formed from "bone" (from Old English "ban", meaning the hard structure that makes up the skeleton) and "-less" (meaning without). The word "boneless" means without bones.
Think of something that is 'without' ('-less') 'bones' — that's why boneless means lacking bones.