—adj.
1 of or like a serpent.
2 coiling, tortuous, sinuous, meandering, writhing (the serpentine windings of the stream).
3 cunning, subtle, treacherous.
—n.
1 a soft rock mainly of hydrated magnesium silicate, usu. dark green and sometimes mottled or spotted like a serpent's skin, taking a high polish and used as a decorative material.
2 Skating a figure of three circles in a line.
—v.intr. move sinuously, meander.
Phrases and idioms:
serpentine verse a metrical line beginning and ending with the same word.
Etymology: ME f. OF serpentin f. LL serpentinus (as SERPENT)
Useful english dictionary. 2012.