Robert's Glen in Macon, Georgia circa 1877 Glenorchy, in Otago, New Zealand The designation "glen" also occurs often in place names such as Great Glen and Glenrothes in Scotland; … GLEN definition: 1. a deep, narrow valley, especially among mountains: 2. a deep, narrow valley, especially among…. Learn more. “Glen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glen. Accessed . Definition of glen noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. · From Middle English glen, borrowed from Irish gleann and Scottish Gaelic gleann, Old and Middle Irish glend, glenn (“ mountain valley ”), from Proto-Celtic *glendos (“valley”), … GLEN definition: a male or female given name. See examples of Glen used in a sentence. From Longman Dictionary of Contemporary English Related topics: Nature glen /ɡlen/ noun [countable] a deep narrow valley in Scotland or Ireland Examples from the Corpus glen • The … A glen is a deep, narrow valley, especially in the mountains of Scotland or Ireland. Sea eagle chicks will soon be soaring over the glens. Collins COBUILD Advanced Learner’s Dictionary. Copyright © … glen (ɡlɛn) n (Physical Geography) a narrow and deep mountain valley, esp in Scotland or Ireland [C15: from Scottish Gaelic gleann, from Old Irish glend] glen, n.¹ meanings, etymology, pronunciation and more in the Oxford English Dictionary