1. a mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues; a biconcave disc that has no nucleus; [syn: red blood cell, RBC, erythrocyte]
WordNet (r) 3.0 (2006):
red blood cell
n 1: a mature blood cell that contains hemoglobin to carry
oxygen to the bodily tissues; a biconcave disc that has no
nucleus [syn: red blood cell, RBC, erythrocyte]