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. &unr_; a pack saddle, fr. &unr_; to pack, load; cf. Skr. saj, sañj, to hang on. Cf. Seam a weight, Summer a beam. ] 1. The driver of a pack horse. [ Obs. ] Skeat. [ 1913 Webster ]

2. A pack; a burden. [ Obs. ] Beau. & Fl. [ 1913 Webster ]

3. An animal, especially a horse, that carries packs or burdens; a baggage horse. Holinshed. [ 1913 Webster ]

a. Carrying pack or burdens on the back; as, a sumpter horse; a sumpter mule. Bacon. [ 1913 Webster ]