Mōnth’s’-mĭnd, n.

1Sense 1. A celebration formerly made in remembrance of dead persons, a month after their decease. [Obs.]

Keeping his month’s-mind and his obsequies With solemn intercession for his soul. Old Play.

2Sense 2. Eager desire; strong inclination;—probably from a woman’s longing in pregnancy, as conjectured by Croft in his remarks on Shakespeare.

For if a trumpet sound, or drum beat, Who hath not a month’s-mind to combat? Hudibras.