Targent, Targent, Torgant, Torqued
Wreathed; twisted in the shape of the letter S.

Haurient torqued is said of a dolphin in the form of the letter S reversed.
For similar terms or variations, see also Annodated, Bowed, Embowed, Flected, Rebending, Recurvant, Reflected, Reflexed, Revertant, Reverted, Vertant and Verted.