What is the meaning of Lank?
Slender or thin; not well filled out; not plump; shrunken; lean.
Meagre, paltry, scant in quantity.
Straight and flat; thin and limp. (Often associated with being greasy.)
Languid; drooping, slack.
To become lank.
long
tall
long
long (in physical measure), tall
coffee
long
Diminutive of lan
Source: wiktionary.org