markal
/ˈmɑːk(ə)l/Orkney and Shetland. Now historical
noun
In the type of single-stilted wooden plough formerly used in Orkney and Shetland: a triangular piece of timber inserted into the lower end of the beam, carrying the ploughshare; the head of such a plough.
Origin
Late 18th century. Origin uncertain; probably from an unattested Norn compound.