macrophage
nounAny of the large phagocytic cells of the reticuloendothelial system.
nounA very large phagocyte or wandering amœboid cell that devours other cells. Macrophages develop from small lymphocytes and are found in the lymphoid tissues of the alimentary canal.
nounA small phagocyte, or wandering leucocyte, which engulfs or devours other cells, bacteria, etc.: opposed to
A large phagocyte.
nounA
a large phagocyte; some are fixed and other circulate in the blood stream