resembling a serpent; having the shape or qualities of a serpent; subtle; winding or turning one way and the other, like a moving serpent; anfractuous; meandering; sinuous; zigzag; as, serpentine braid.-a mineral or rock consisting chiefly of the hydrous silicate of magnesia. it is usually of an obscure green color, often with a spotted or mottled appearance resembling a serpent's skin. precious, or noble, serpentine is translucent and of a rich oil-green color.-a kind of ancient cannon.-to serpentize.