Webster's Revised Unabridged Dictionary · 1913

Seg

Seg , noun

[See Sedge.]

1.
(Botany) Sedge. [Obsolete]
2.
The gladen, and other species of Iris. — Prior

Seg , noun

[Probably from the root of Latin secare to cut.]

A castrated bull. [Provincial English & Scottish] — Halliwell