SINISTRORSAL
Source: 567
Sin′is‐tror″sal (?), a. [[L. sinistrorsus, sinistroversus, turned toward the left side; sinister left + vertere, vortere, versum, vorsum, to turn.]] Rising spirally from right to left (of the spectator); sinistrorse.
Source: 567
Sin′is‐tror″sal (?), a. [[L. sinistrorsus, sinistroversus, turned toward the left side; sinister left + vertere, vortere, versum, vorsum, to turn.]] Rising spirally from right to left (of the spectator); sinistrorse.