1. small mountain lakes, typically formed in cirques carved out by glaciers
Usage: geography; plural of tarn

Examples

• The hikers discovered several crystal-clear tarns nestled in the high alpine valleys.
• Glacial tarns dotted the mountainside like jewels.
• The tarns reflected the surrounding peaks perfectly on the calm morning.
• Many tarns in the Rockies are fed by snowmelt and remain cold year-round.
• The trail led past three small tarns before reaching the summit.
• Photographers often seek out remote tarns for their pristine beauty.