The Collaborative International Dictionary
Sucken
Sucken \Suck"en\, n. [See Socome, Soc.] (Scots Law) The jurisdiction of a mill, or that extent of ground astricted to it, the tenants of which are bound to bring their grain thither to be ground.
Wiktionary
sucken
n. (context obsolete English) The duty of a tenant to bring corn etc to a particular mill to be ground; the land so astricted