Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Growing upward in a spiral that turns from right to left.

from The Century Dictionary.

  • Turned or turning to the left; directed sinistrad; sinistrorsal: same as sinistral, but implying motion or direction rather than rest or position.
  • 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.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Turning to the left (of the spectator) in the ascending line; -- the opposite of dextrorse. See dextrorse.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Turning to the left (of the observer) in the ascending line.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective spiraling upward from right to left

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin sinistrōrsus, turned toward the left, contraction of *sinistrōversus : sinistrō, toward the left, from ablative of sinister, left + versus, past participle of vertere, to turn; see wer- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

See sinistrorsal.

Examples

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