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1640s, from Latin cicatrix (accusative cicatricem ) "a scar," of unknown origin. Earlier in English as cicatrice (mid-15c.). Related: cicatrical.
cicatrix cic·a·trix (sĭk'ə-trĭks', sĭ-kā'trĭks)
n. pl. cic·a·tri·ces (sĭk'ə-trī'sēz, sĭ-kā'trĭ-sēz')
A scar left by the formation of new connective tissue over a healing sore or wound.