Sump"ter (?), n. [OF. sommetier the driver of a pack horse; akin to OF. & F. sommier a pack horse, L. sagmarius, fr. sagma a pack saddle, in LL., a load, Gr. a pack saddle, fr. to pack, load; cf. Skr. saj, sanj, to hang on. Cf. [Seam] a weight, [Summer] a beam.]

1.

The driver of a pack horse.

[Obs.]

Skeat.

2.

A pack; a burden.

[Obs.]

Beau. & Fl.

3.

An animal, especially a horse, that carries packs or burdens; a baggage horse.

Holinshed.

© [Webster 1913].

Sump"ter, a.

Carrying pack or burdens on the back; as, a sumpter horse; a sumpter mule.

Bacon.

© [Webster 1913].

Sumpter (definition)