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.
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            Made she no verbal question?          --Shak.
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            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.
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   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.
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            And loses, though but verbal, his reward. --Milton.
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            Mere verbal refinements, instead of substantial
            knowledge.                            --Whewell.
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   3. Having word answering to word; word for word; literal; as,
      a verbal translation.
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   4. Abounding with words; verbose. [Obs.] --Shak.
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   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.
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   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.
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WordNet (r) 3.0 (2006):

verbal noun
    n 1: a noun that is derived from a verb [syn: verbal noun,
         deverbal noun]