adj of the male sex; not female.
2. masculine ·adj belonging to males; appropriated to, or used by, males.
3. masculine ·adj having the qualities of a man; suitable to, or characteristic of, a man; virile; not feminine or effeminate; strong; robust.
4. masculine ·adj having the inflections of, or construed with, words pertaining especially to male beings, as distinguished from feminine and neuter. ·see gender.