[2] Frigid day, or day of low temperature: A singular idiom of the American language, expressing grave improbability.

THE BALLAD OF CASSANDRA BROWN.

Though I met her in the summer, when one’s heart lies round at ease,

As it were in tennis costume, and a man’s not hard to please,

Yet I think at any season to have met her was to love,

While her tones, unspoiled, unstudied, had the softness of the dove.

At request she read us poems in a nook among the pines,

And her artless voice lent music to the least melodious lines;

Though she lowered her shadowing lashes, in an earnest reader’s wise,