A sister by birth. / A female bound to another one in commitment and friendship by a ceremonial mingling of blood.

plural of blood corpuscle

plural of blood pressure

Alternative spelling of blood tax

A tax paid by bloodshed; especially, a derogatory term for military conscription.

plural of blood group

(Christianity) Whose sins have been forgiven due to the death of Jesus.

plural of blood relation

plural of blood rule

(sports) A rule requiring that a player receive medical attention before continuing to play if he is bleeding or there is blood on him or his clothes.