[ser.pen.tine] adj [ME, fr. MF serpentin, fr. LL serpentinus, fr. L serpent-, serpens] (15c) 1: of or resembling a serpent (as in form or movement)
2: subtly wily or tempting 3 a: winding or turning one way and another b: having a compound curve whose central curve is convex -- ser.pen.tine.ly adv
[2]serpentine n (1519): something that winds sinuously [3]ser.pen.tine n [ME, fr. ML serpentina, serpentinum, fr. LL, fem. & neut. of serpentinus resembling a serpent] (15c): a mineral or rock consisting essentially of a hydrous magnesium silicate usu. having a dull green color and often a mottled appearance