Mare is the feminine. Mare means adult female horse. Stallion is the masculine or Gelding if it's had surgery so it can't breed
The feminine form of stallion is mare. Stallions are male horses, while mares are female horses.
blonde
femine
goddess
feminine
Transexual
"Countess".
Hero?
heroine
== == == ==
Feminine.
The feminine of gentleman is gentlewoman.