1. the brother of one’s father or mother
2. the husband of one’s aunt
3. a man who is a close friend of one’s parents
Usage: informal

Examples

• My uncle Tom is coming to visit next week.
• She inherited the house from her uncle.
• Uncle Mike taught me how to ride a bike.
• We’re having dinner at Uncle Joe’s house tonight.
• My mom’s brother is my favorite uncle.
• Uncle Sam is a symbol of the United States government.