Source : Webster's Revised Unabridged Dictionary (1913)

Seg \Seg\, n. [See {Sedge}.] (Bot.)
   1. Sedge. [Obs.]

   2. The gladen, and other species of Iris. --Prior.

Seg \Seg\, n. [Probably from the root of L. secare to cut.]
   A castrated bull. [Prov. Eng. & Scot.] --Halliwell.