N0173375 (nŭth′ər)adj.Informal Other. Usually used in the phrase a whole nother, as in the sentence That's a whole nother story.[From alteration of another (interpreted as a nother).]
noth•er
(ˈnʌð ər) adj. Informal.a whole nother, an entirely different; a whole other. [1955–60; metanalysis of an other or another] IdiomsSeewhole nother thing