bone · noun C or U /bəʊn/Full view
B1 one of the hard pieces that make the structure inside a human or animal
Dictionary examples:

human/animal bones

There's still a lot of meat left on the bone - shall I slice some off for you?

Learner example:

I saw things like dinosaur bones, mummies, etc. (Preliminary English Test; B1; Korean)

a bone of contention
C2 something that people argue about
Dictionary example:

Housework is a major bone of contention in our house.

Learner example:

Another bone of contention over the issue is that of pension schemes for it can't be denied that solutions have to be found to raise funds. (Certificate of Proficiency in English; C2; French)

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