Sentence:  The dew-drops fell like water, leaf after leaf dropped from the trees, the sloe-thorn alone still bore fruit, but the <WSD>sloes</WSD> were sour, and set the teeth on edge. Oh, how dark and weary the whole world appeared! 
Meaning of the word marked with <WSD> tags:  The small, bitter, wild fruit of the blackthorn ("Prunus spinosa").