Sentence:  Oh joy! the signs of life! the Deer/ Hath left his <WSD>slot</WSD> beside the way;/ The little Ermine now is seen/ White wanderer of the snow; .../ And hark! the rosy-breasted bird,/ The Throstle of sweet song! 
Meaning of the word marked with <WSD> tags:  The track of an animal, especially a deer; spoor.