obs. or erron. variant of GNASH v.
c. 1600. Burel, Pilgr., in Watson, Coll. Sc. Poems (1706), II. 25. Sick hashing and knashing, Cums not of cleinlie cukis.
1826. J. Doyle, Ess. Cath. Claims, 248. Some tub for a whale of prejudice to knash its teeth against.