unionsymbol
nounUK /ˈjuːniən ˈsɪmbəl/
US /ˈjuːnjən ˈsɪmbəl/
A union symbol is a special sign that shows two sets of things are joined together.
The union symbol looks like a small cup and shows that both groups of numbers belong together.
RELATED WORDS
OTHER MEANINGS
2. In mathematics, the symbol ∪ used to show the union of two sets.
A ∪ B means all the items in set A or set B or both.
3. A sign or emblem that represents a labor union or workers' group.
The workers wore a union symbol on their jackets.
4. Any mark that stands for unity or joining together.
The two rings form a union symbol on the flag.