a. Having pure blood, or a large admixture or pure blood; of approved breed; of the best stock. [ 1913 Webster ]
☞ Used also in composition in phrases indicating a particular condition or quality of blood; as, cold-blooded; warm-blooded. [ 1913 Webster ]
adj. of aristocratic birth and refined upbringing.
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a. Having hot blood; excitable; high-spirited; irritable; ardent; passionate. [ 1913 Webster ]
a. (Physiol.) Having warm blood; -- applied especially to those animals, as birds and mammals, which have warm blood, or, more properly, the power of maintaining a nearly uniform temperature whatever the temperature of the surrounding air. See Homoiothermal. [ 1913 Webster ]