Source : Webster's Revised Unabridged Dictionary (1913)

Longways \Long"ways`\, adv.
   Lengthwise. --Addison.

Source : WordNet®

longways
     n : country dancing performed with couples in two long lines
         facing each other [syn: {longways dance}]
     adv : in the direction of the length; "He cut the paper
           lengthwise" [syn: {lengthways}, {lengthwise}, {longwise},
            {longitudinally}]