世伯 (sai3 baak3) — uncle, brother who are friends of the family or clan in Cantonese
sai˗₃世baak˗₃伯Mandarin Pinyin: shi4 bo2
Meaning of 世伯
noununcle, brother who are friends of the family or clan
noununcle - polite term for a man of one's father's age