The Collaborative International Dictionary of English v.0.48:Heugh \Heugh\, n. [Cf. Hogh.] 1. A crag; a cliff; a glen with overhanging sides. [Scot. & Prov. Eng.] [1913 Webster] 2. A shaft in a coal pit; a hollow in a quarry. [Scot.] [1913 Webster]