3. An animal, especially a horse, that carries packs or burdens; a
baggage horse. Holinshed.
Sump"ter, a. Carrying pack or burdens on the back; as, a sumpter horse;
a sumpter mule. Bacon.
Sump"tion (?), n. [L. sumptio, fr. sumere, sumptum, to take.] 1. A
taking. [Obs.] Jer. Taylor.