Slinky
ahd-5
adjective.
Graceful, sinuous, and sleek.
The Century Dictionary and Cyclopedia
Lank; lean; flaccid.
the GNU version of the Collaborative International Dictionary of English
adjective.
Thin; lank.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
furtive
,
stealthy
or
catlike
adjective.
thin
;
lank
noun.
A
three-dimensional
curve
— a
spiral
wound around a
helix
.