Question

what is meant by Phoebus’ fire scarce thaws the icicles​

Answer 1

$\sf\huge\bold\red{\underline{\underline{Answer}}}$

Phoebus is a mythological sun god(latin name for apollo) and phoebus fire is referred as the sun's burning rays. " Where Phoebus' fire scarce thaws the icicles". That means: Where the sun-god's fire (which is not very abundant in the north) thaws the icicles.