Emily Dickinson Lexicon

MAS-CU-LINE, a. [Fr. masculin; L. masculinus, from masculus, mas, or the Ir. modh, Polish maz, Bohemian muz, Slavonic mosch.]

1. Having the qualities of a man; strong; robust; as, a masculine body.
2. Resembling man; coarse; opposed to delicate or soft; as, masculine features.
3. Bold; brave; as, a masculine spirit or courage.
4. In grammar, the masculine gender of words is that which expresses a male, or something analogous to it; or it is the gender appropriated to males, though not always expressing the male sex. Encyc. Johnson.