(hematology, cytology) A blood cell.

A protracted and bitter violent feud between clans, families, factions, etc.; a vendetta.

A diamond that has been mined in a war zone and sold in order to finance the conflict. / A diamond that has been illegally mined by criminals and sold on the black market.

Donated blood which is stored in a blood bank. / The volume of blood flowing to part of the body over a particular time period.

plural of blood brother

(obsolete outside the phrase in cold blood) A state of mild or low emotions, previously understood as a condition whereby the blood has not been appreciably heated by emotional intensity.

(idiomatic) In a competitive situation, the exhibition of apparent weakness or vulnerability by one party, especially when this leads to a feeling of vulnerability or greater pressure to perform on the part of the weak party, and/or enhanced expectation of victory by the other(s).

plural of blood fluke

schistosome (parasitic worm of the genus Schistosoma)

Any of various plants in the genus Haemanthus, particularly Haemanthus coccineus, a scarlet-flowered bulbous plant native to southern Africa.