bone

1 bone /ˈboʊn/ noun
plural bones
1 bone
/ˈboʊn/
noun
plural bones
Britannica Dictionary definition of BONE
1 
[count] : any one of the hard pieces that form the frame (called a skeleton) inside a person's or animal's body
— sometimes used figuratively
— see also bag of bones, bare bones, funny bone
2 
[noncount] : the hard material that bones are made of

bone of contention

— see contention

bone to pick

informal
: something to argue or complain about with someone — usually + with

bred in the bone

— see 1breed

close to the bone

— see 2close

make no bones about

: to be very sure and definite about (something)

off the bone

: with the meat removed from the bone or bones

on the bone

: with the meat connected to the bone or bones

skin and bones

— see 1skin

throw (someone) a bone

informal
: to offer (someone) something that is not very important or valuable especially to stop complaints or protests

to the bone

1 
: very much
2 
: as much as possible

work your fingers to the bone

— see 1finger

— boneless

/ˈboʊnləs/ adjective
2 bone /ˈboʊn/ verb
bones; boned; boning
2 bone
/ˈboʊn/
verb
bones; boned; boning
Britannica Dictionary definition of BONE
[+ object]
: to remove the bones from (a fish or meat) : debone

bone up

[phrasal verb] informal
1 
: to try to learn a lot of information quickly for a test, exam, etc.
2 
: to study something again — usually + on
3 bone /ˈboʊn/ adverb
3 bone
/ˈboʊn/
adverb
Britannica Dictionary definition of BONE
always used before an adjective
: extremely or very : completely or totally — often used in combination