삼촌이 · 삼촌을
uncle (father's younger, unmarried brother; casually any uncle)
Example
삼촌이 생일 선물로 자전거를 사 주셨어요.
My uncle bought me a bicycle for my birthday.
Word parts
삼 three+촌 kinship degree
Literally 'three degrees' of kinship; -촌 counts family distance: 사촌 = four degrees.
Good to know
Strictly 삼촌 is a father's brother; a mother's brother is 외삼촌, though kids often just say 삼촌.
Related words