Word Study
sinistrorse
CIDE DICTIONARY
sinistrorse, a. [See Sinistrolsal.].
Turning to the left (of the spectator) in the ascending line; -- the opposite of dextrorse. See Dextrorse. [1913 Webster]
OXFORD DICTIONARY
sinistrorse, adj. rising towards the left, esp. of the spiral stem of a plant.
Etymology
L sinistrorsus f. sinister left + vorsus past part. of vertere turn
ROGET THESAURUS
sinistrorse
Sinistrality
N sinistrality, left, left hand, a gauche, sinister, nearside, larboard, port, left-handed, sinister, sinistral, sinistrorsal, sinistrorse, sinistrous, laevo-, sinistrally, sinistrously.For further exploring for "sinistrorse" in Webster Dictionary Online