Meaning of LONGITUDINALLY

WordNet Dictionary
	Definition:		[adv]  with respect to longitude; "longitudinally measured" [adv]  in the direction of the length; "He cut the paper lengthwise" [adv]  across time; "We studied the development of the children longitudinally"
	Synonyms:		lengthways, lengthwise, longways, longwise
Webster's 1913 Dictionary
	Definition:		\Lon`gi*tu"di*nal*ly\, adv. In the direction of length.