vermsl

n. pl. never-freezing spring.

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n. [vesl, Ivar Aasen], a spring that never freezes; at hón hafi lagizk af vermslum nökkurum at drekka, Fms. vi. 350: hence the mod. Icel. kalda-vesla, qs. kalda-vermsl, ‘cold-warm,’ of wells that do not freeze all the winter, although icy-cold.