macrophage - definition of macrophage by The Free Dictionary
mac·ro·phage (măk′rə-fāj′) n. Any of the large phagocytic cells of the reticuloendothelial system. mac′ro·phag′ic (-făj′ĭk) adj. macrophage (ˈmækrəʊˌfeɪdʒ) n 1. (Zoology) any large phagocytic cell occurring in the blood, lymph, and connective tissue of ve...