Terms used
      
	- Gloss
- A definition of a word in WordNet.
- Root node
- A virtual node connecting all the hierarchies together.  The
	    nouns and verbs in WordNet are arranged in hierarchies.  There are
	    nine noun hierarchies and several hundred verb hierarchies.  By
	    turning this option on, one unique root node joins all the noun
	    hierarchies together, and another node joins all the verb
	    hierarchies together.
        
- Synset
- Short for synonym set.  A non-empty set of synonyms.
	    E.g., {dog#n#1, domestic_dog#n#1, canis_familiaris#n#1}