'Sinistrorsal' definitions:
Definition of 'sinistrorsal'
From: WordNet
adjective
Spiraling upward from right to left; "sinistrorse vines" [syn: sinistrorse, sinistrorsal]
Definition of 'Sinistrorsal'
From: GCIDE
- Sinistrorsal \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. [1913 Webster]