Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Gram. a noun or nominal derived from a verb and functioning in some respects like a verb: in English, it is either a noun ending in -ing (a gerund) or an infinitive (Ex.: walking is healthful, to err is human)
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nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A noun that is derived from a verb and usually preserves the verb's syntactic features, such as transitivity or the capability of taking nominal or verbal complements.