sheugh I. noun alsosheuch\ˈshüḵ\ (-s) Etymology: Middle English sough — more at sough 1.chiefly Scotland: a small ravine or gully; sometimes: one with water running through it 2.chiefly Scotland: a manmade ditch or trench II. transitive verb (-ed/-ing/-s) 1.chiefly Scotland: to make ditches or drains in < sheugh a marsh > 2.chiefly Scotland: to cover over : heel in