What is the meaning of "bone of contention"?

The meaning of "bone of contention" is:

a problem that keeps on happening


What is the definition of "bone of contention"?

The definition of "bone of contention" is:

a problem that keeps on happening



"bone of contention" means

a problem that keeps on happening

Example Sentences:

A: Are you having a good time with your roommate?
B: Yeah, but one bone of contention between us is that he is so messy.

A bone of contention between the husband and wife is that the husband always spends too much money.

From the Blogs:

Bone of contention in delivering Quality

Media:

bone of contention