Source : Webster's Revised Unabridged Dictionary (1913)

Endways \End"ways`\, Endwise \End"wise\, adv.
   1. On end; erectly; in an upright position.

   2. With the end forward.

Source : WordNet®

endwise
     adv 1: on end or upright; "sticks leaning against the wall endways"
            [syn: {endways}]
     2: in or toward the direction of the ends; lengthwise; "endways
        pressure" [syn: {endways}]
     3: with the end forward or toward the observer; "houses built
        endways" [syn: {endways}, {end on}]