a term of address for a younger male, either literally one's younger brother or as a friendly, sometimes slightly condescending or paternalistic, term for a young man.

referring specifically to two brothers together.

brothers born of the same parents, or metaphorically, someone treated with the same closeness and loyalty as a biological brother.

male cousin through a female relative

sons of one's father's brothers; male cousins sharing the same paternal grandfather

fellow apprentices; fellow students (male)

describing a relationship between people that is as close and affectionate as that between brothers.

all men are brothers; universal brotherhood

internecine strife; fighting among oneself

Lehman Brothers (investment bank)

even with your own brother, keep clear accounts (idiom)

brothers and sisters; siblings

internal disunity dissolves at the threat of an invasion from outside

Brothers Karamazov by Dostoevsky [[陀思妥耶夫斯基|陀思妥耶夫斯基|Tuo2 si1 tuo3 ye1 fu1 si1 ji1]]