おとうとさん
Meanings
Noun
Honorific
1. younger brother
Pitch accent
とうとさん
Composed of
younger brother; little brother; kid brother; brother-in-law (spouse's younger brother or younger sister's husband)
Examples (5 in total)
How old is your little brother?
How old is your brother?
Tom is Mary's younger brother.
What's your younger brother's name?
When you come next time, bring your brother.