(hematology, cytology) Any of the cells normally found in blood, namely erythrocytes and leukocytes, sometimes including the platelets.

A bright red resin, obtained from different species of a number of distinct plants Calamus rotang and genera Croton, Dracaena, Daemonorops, and Pterocarpus, used in the manufacture of varnishes, lacquers, medicines, and incenses.

A method of Viking ritual execution, in which the ribs are opened from the back, and the lungs pulled out and arranged to resemble wings.

(idiomatic) In a ruthless and unfeeling manner, particularly as applied to first-degree murder committed without provocation and with malice aforethought.

A serologic analysis of a sample of blood; a test in which blood is removed from a subject and analyzed to determine the presence or levels of any of a variety of substances which indicate whether the subject has health problems.

The pressure exerted by the blood against the walls of the arteries and veins; it varies during the heartbeat cycle, and according to a person's age, health and physical condition.

(anatomy) A component of the circulatory system, such as an artery, capillary, or vein, that carries blood.

Having an unregulated body temperature; ectothermic. / Lacking emotion or compunction.

The winning situation in a duel in which the first one to draw blood from the other wins. / The first damage or reverse inflicted on an opponent in a conflict.

(law) The doctrine in English common law that someone attainted of felony or treason has corrupt blood and so cannot inherit property and has no legal heirs.