masculine Definition

masculine
adj

1. Belonging to, typical of, peculiar to or suitable for a man or the male sex; male.

Thesaurus: virile, potent, hardy, macho, manly; Antonym: effeminate.
2. Said of a woman: mannish; unfeminine.
3. grammar.
In many languages: belonging or referring to one of the genders into which nouns and pronouns are divided, ie that which includes most words denoting human and animal males, plus, in many languages, many other words. Compare common gender, feminine, neuter.

noun

1a. The masculine gender;
1b. A word belonging to this gender.

Derivative: masculinity
noun

The quality of being masculine
Thesaurus: manhood, manliness, virility, potency.

Etymology: 14c: from Latin masculinus male, from mas a male.

Info:

See Usage Note at male.