(obsolete) A veterinarian for horses. / A type of sucking worm, Haemopis sanguisuga, larger than the common leech.

A professional rider and trainer of racehorses. / A trainer and dealer in horses.

plural of horse-jockey

Used other than figuratively or idiomatically: see hormone, therapy. / Hormone replacement therapy.

A hormone, such as testosterone in males or estrogen in females, affecting sexual development and reproduction.

(biology) A peptide hormone found in insects, produced in the copora cardiaca or corpus allata, which initiates the release of the ecdysteroid hormone from the prothoracic gland.

(dated) Hippopotamus.

(Wicca) The second major supernatural figure in the Wiccan religion, a triune god equal to the Goddess, split into the aspects of the Father, Master, and the Sage.

(biochemistry) Any of a class of peptide hormones released by the pituitary gland that are involved in regulating the production of melanin.

(biochemistry) A polypeptide hormone that is released by the chief cells of the parathyroid glands and is involved in raising the levels of calcium ions in the blood.