Obs. rare. [a. L. frīgor, noun of state from frīgēre to be cold.] Extreme coldness.

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1599.  A. M., trans. Gabelhouer’s Bk. Physicke, 183/1. Ther will approach on him a vehement frigor, or coulde, & will shake, & rage.

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1603.  Owen, Pembrokesh. (1891), 121. Hearinges … come wth the first cold in great nombers, to avoyde the frigor of the frozen seas.

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