Source : Webster's Revised Unabridged Dictionary (1913)

Lanky \Lank"y\, a.
   Somewhat lank. --Thackeray.

         The lanky Dinka, nearly seven feet in height. --The
                                                  Century.

Source : WordNet®

lanky
     adj 1: tall and thin and having long slender limbs; "a gangling
            teenager"; "a lanky kid transformed almost overnight
            into a handsome young man" [syn: {gangling}, {gangly},
             {rangy}]
     2: ungracefully tall and thin [syn: {gangling}, {gangly}]
     [also: {lankiest}, {lankier}]