Sentence:  When <WSD>daffodils</WSD> begin to peer, / With heigh! the doxy over the dale, / Why, then comes in the sweet o' the year; / For the red blood reigns in the winter's pale. 
Meaning of the word marked with <WSD> tags:  A bulbous plant of the genus "Narcissus", with yellow flowers and a trumpet shaped corona, especially (ver=161010), the national flower of Wales.