ppl. a. north. dial. [UNDER-1 4 a.] Earmarked in a special manner.
Cf. mod. U.S. under-bit (a semicircular earmark indicating ownership), and under-bitten ppl. a.
1555. Knaresb. Wills (Surtees), I. 69. To my doughter browne rigged cowe, under bytted of bothe eyres.
1899. in Cumbld. Gloss., 381/2. Cheviot ewe, under bitted both ears.