Sentence:  Also , she lived in continual fear of finding a white <WSD>worm</WSD> curled up in a neat , mean little heap at the white center of the radish . 
Meaning of the word marked with <WSD> tags:  any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae