sinistrorse

[ sin-uh-strawrs, si-nis-trawrs, sin-uh-strawrs ]
/ ˈsɪn əˌstrɔrs, sɪˈnɪs trɔrs, ˌsɪn əˈstrɔrs /

adjective Botany.

(from a point of view at the center of the spiral) rising spirally in a counterclockwise manner, as a stem (opposed to dextrorse).

Origin of sinistrorse

1855–60; < Latin sinistrōrsus literally, turned leftwards, contraction of *sinistriversus. See sinister, versus

OTHER WORDS FROM sinistrorse

sin·is·trorse·ly [sin-uh-strawrs-lee, sin-uh-strawrs-] /ˈsɪn əˌstrɔrs li, ˌsɪn əˈstrɔrs-/, adverb

Example sentences from the Web for sinistrorse

British Dictionary definitions for sinistrorse

sinistrorse
/ (ˈsɪnɪˌstrɔːs, ˌsɪnɪˈstrɔːs) /

adjective

(of some climbing plants) growing upwards in a spiral from right to left, or clockwise Compare dextrorse

Derived forms of sinistrorse

sinistrorsal, adjective sinistrorsely, adverb

Word Origin for sinistrorse

C19: from Latin sinistrōrsus turned towards the left, from sinister on the left + vertere to turn