Sc. Obs. [Apparently a corrupt form of BYSEN, and prob. the same as BESOM sb.2] = BYSEN 2.
c. 1445. Holland, Houlate, lxxiv. (Bannatyne MS.). Allace, I am lost, lathest of all, Bysym [v.r. bysyn] in bale beft. [Cf. i. 6 Quhame sall I bleme in this breth, a besum [v.r. bysyn] that I be?]
