A deep, narrow valley, especially among mountains: From scottish gaelic gleann, from old irish glend] See examples of glen used in a sentence.
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Sea eagle chicks will soon be soaring over the glens. A deep, narrow valley, especially among…. A male or female given name.
A glen is a deep, narrow valley, especially in the mountains of scotland or ireland.
Glen (ɡlɛn) n (physical geography) a narrow and deep mountain valley, esp in scotland or ireland [c15: Collins cobuild advanced learner’s dictionary.