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Etymology
, from.

Noun

 * 1) blood brother
 * 2) close friend
 * 3) best man, groomsman (close friend of the bridegroom at the wedding)

Etymology
, from.

Noun

 * 1) blood brother

Etymology
, from.

Noun

 * 1) blood brother
 * 2) brother by a certain act (common drinking etc.) or by origin

Etymology
, from.

Noun

 * 1) blood brother
 * 2) brother-in-arms