01 a. [or] adv. Having hands red with blood; in the very act, as if with red or bloody hands; -- said of a person taken in the act of homicide; hence, fres…
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Having hands red with blood; in the very act, as if with red or bloody hands; -- said of a person taken in the act of homicide; hence, fresh from the commission of crime; as, he was taken red-hand or red-handed.