Sentence:  [subtitle] One thousand English words and their pronunciation, together with information concerning the several meanings of each word, its inflections and derivatives, and the <WSD>collocations</WSD> and phrases into which it enters. 
Meaning of the word marked with <WSD> tags:  A sequence of words or terms that co-occur more often than would be expected by chance (i.e., the statistically significant placement of particular words in a language).