Webster's Revised Unabridged Dictionary · 1913

mankind

mankind , noun

[Anglo-Saxon mancynn. See Kin kindred, Kind, n.]

1.
The human race; man, taken collectively.
The proper study of mankind is man. — Pore
2.
Men, as distinguished from women; the male portion of human race. — Lev. xviii. 22
3.
Human feelings; humanity. [Obsolete] — B. Jonson

Mankind , adjective

Manlike; not womanly; masculine; bold; cruel. [Obsolete]
Are women grown so mankind? Must they be wooing? — Beau. & Fl
Be not too mankind against your wife. — Chapman