- leukocyte, leucocyte, white blood cell, white cell, white blood corpuscle, white corpuscle, WBC - blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
--1 is a kind of blood cell, blood corpuscle, corpuscle; free phagocyte
--1 has particulars:myelocyte; myeloblast; lymphocyte, lymph cell; granulocyte; monocyte; basophil, basophile; neutrophil, neutrophile; eosinophil, eosinophile