'Gruf' definitions:

Definition of 'Gruf'

From: GCIDE
  • Gruf \Gruf\ (gr[u^]f), adv. [Cf. Grovel.] Forwards; with one's face to the ground. [Obs.] [1913 Webster]
  • They fellen gruf, and cry['e]d piteously. --Chaucer. [1913 Webster]