[un.co] adj [ME (Sc) unkow, alter. of ME uncouth] (15c) 1 chiefly Scot a: strange, unknown b: uncanny, weird
2. chiefly Scot: extraordinary
[2]unco adv (1724): extremely, remarkably, uncommonly [3]unco n, pl uncos (1785) 1 pl, chiefly Scot: news, tidings
2. chiefly Scot: stranger