Sentence:  The Mole had been working very hard all the morning, <WSD>spring-cleaning</WSD> his little home. First with brooms, then with dusters; then on ladders and steps and chairs, with a brush and a pail of whitewash; till he had dust in his throat and eyes, and splashes of white-wash all over his black fur, and an aching back and weary arms. 
Meaning of the word marked with <WSD> tags:  A systematic cleaning of a residence at the end of winter