Sentence:  And the blossom as scarlet as blood, the single, the starry, the strong, / Is the Alpine love that is nurtured in clefts of the toiler's life,— / The love that is sought not in languor nor chanted in <WSD>zephyrous</WSD> song, / But held in the heart of the storm when the soul has been wed to a wife. 
Meaning of the word marked with <WSD> tags:  Like a zephyr; ("of a wind") soft, gentle, refreshing.