Definitions
a mountain lake (especially one formed by glaciers)
Used in a sentence
“There Grendel was watching his blood flow out into the seething tarn.”
“In another story the remarkable mystery of the umbrella lost at the shores of a tarn and retrieved at the seaside is explained by the underground communication between the two.”
“It [the caribou] makes a fine, bold study on the foreground of an evening scene among the mountain tarns of Northern Idaho, as it fulfils the ideal description of the stag given by [Walter] Scott and other writers.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Alpine pond”4 letters
02“Mountain lake”4 letters
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