Join or gather in the same group that has common elements or characteristics. It comes from the word balloon, which has a sense of "container", as in the case of comic book text balloons. Although philologists do not mention it, nobody gets me out of my head that this came out of set theory, by the Venn diagram with the intersection of two groups of elements and that it looks like two overlapping balloons.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list
