macro (1)EnglishOxford Dictionary of Englishmacro1 /ˈmakrəʊ / ▸ noun (plural macros) 1 Computing (also macro instruction) a single instruction that expands automatically into a set of instructions to perform a particular task. 2 Photography a macro lens. ▸ adjective 1 large-scale; overall: the analysis of social events at the macro level. 2 Photography relating to macrophotography: your lens has a macro setting for shooting big close-ups.