† surreined,ppl.a.Obs.rare. [Of uncertain formation: generally taken to be f. sur- + reined ppl. a.1] Of a horse: Over-ridden, overworked. 1599Shakes.Hen. V, iii. v. 19 A Drench for sur-reyn'd Iades.1601[? Marston]Pasquil & Kath. iv. 44 A surreinde Iaded wit, but a rubbes on.