• WordNet 3.6
    • adj sinistrorse spiraling upward from right to left "sinistrorse vines"
    • ***
Webster's Revised Unabridged Dictionary
    • a Sinistrorse Turning to the left (of the spectator) in the ascending line; -- the opposite of dextrorse. See Dextrorse.
    • ***
Century Dictionary and Cyclopedia
    • sinistrorse Turned or turning to the left; directed sinistrad; sinistrorsal: same as sinistral, but implying motion or direction rather than rest or position.
    • sinistrorse In botany, rising from left to right, as a climbing plant. For the antagonistic senses in which dextrorse and consequently its opposite sinistrorse are used, see dextrorse.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Sinistrorse sin′is-trors rising from left to right, as a spiral line
    • Sinistrorse Also Sinistrors′al
    • ***


Webster's Revised Unabridged Dictionary
See Sinistrolsal


In literature:

Though the bean always insists on a sinistrorsal growth, as B, the hop prefers to climb in a dextrorsal manner, as A.
"Amusements in Mathematics" by Henry Ernest Dudeney