Sentence:  On came the sleet, and hail, and snow, in thorough good earnest; on came the bitter biting wind, which is not so unkind as man's ingratitude; on came the frost, which <WSD>warps</WSD> the waters, but whose bite is not so nigh as benefits forgot, 
Meaning of the word marked with <WSD> tags:  To change or fix (make fixed, for example by freezing).