defining vs define

defining is a noun but define is not a noun.

Word	Noun	Adjective	Verb	Adverb
defining	Yes	No	No	No
define	No	No	Yes	No

defining (noun)	define (noun)
any process serving to define the shape of something

defining (verb)	define (verb)
	give a definition for the meaning of a word
	decide upon or fix definitely
	determine the essential quality of
	determine the nature of
	show the form or outline of