[1] : The Collaborative International Dictionary of English v.0.48

verbal \ver"bal\, a. f., fr. l. verbalis. see verb.
   1. expressed in words, whether spoken or written, but
      commonly in spoken words; hence, spoken; oral; not
      written; as, a verbal contract; verbal testimony.
      1913 webster

            made she no verbal question?          --shak.
      1913 webster

            we subjoin an engraving . . . which will give the
            reader a far better notion of the structure than any
            verbal description could convey to the mind.
                                                  --mayhew.
      1913 webster

   2. consisting in, or having to do with, words only; dealing
      with words rather than with the ideas intended to be
      conveyed; as, a verbal critic; a verbal change.
      1913 webster

            and loses, though but verbal, his reward. --milton.
      1913 webster

            mere verbal refinements, instead of substantial
            knowledge.                            --whewell.
      1913 webster

   3. having word answering to word; word for word; literal; as,
      a verbal translation.
      1913 webster

   4. abounding with words; verbose. obs. --shak.
      1913 webster

   5. gram. of or pertaining to a verb; as, a verbal group;
      derived directly from a verb; as, a verbal noun; used in
      forming verbs; as, a verbal prefix.
      1913 webster

   verbal inspiration. see under inspiration.

   verbal noun gram., a noun derived directly from a verb or
      verb stem; a verbal. the term is specifically applied to
      infinitives, and nouns ending in -ing, esp. to the latter.
      see gerund, and -ing, 2. see also, infinitive mood,
      under infinitive.
      1913 webster
see also:
verb verbal inspiration inspiration verbal noun gerund -ing 
infinitive mood infinitive 

[2] : WordNet (r) 2.0

verbal noun
     n : a noun that is derived from a verb syn: deverbal noun
see also:
deverbal noun 

Noun >> N Words
Noun, definition of term: Noun
noun_pag1.html

Noun Phrase >> N Words
Noun Phrase, definition of term: Noun Phrase
noun+phrase_pag1.html

Common Noun >> C Words
Common Noun, definition of term: Common Noun
common+noun_pag1.html