The Collaborative International Dictionary of English v.0.48:

Creaght \Creaght\ (kr[=a]t), n. [Ir. & Gael. graidh, graigh.]
   A drove or herd. [Obs.] --Haliwell.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Creaght \Creaght\, v. i.
   To graze. [Obs.] --Sir. L. Davies.
   [1913 Webster]