Mearcian

According to the Old English Dictionary:

mearcian

p. ode (mearc a limit) To fix the bounds or limits of a place :-- Se mearcode ða stówa ðe gé eówre geteld on sleán sceoldon metatus est locum, in quo tentoria figere deberetis, Deut. 1, 33. [O. H. Ger. marchón definire, collimitare.] mearcian