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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Dex·tror·sal Dex·trorse a.  Botany Turning from the left to the right, in the ascending line, as in the spiral inclination of the stem of the common morning-glory; as, dextrorse vines.
 Note: ☞ At present scientists predicate dextrorse or sinistrorse quality of the plant regarded objectively; formerly the plant was regarded subjectively, and what is now called dextrorse was then considered sinistrorse.
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From: WordNet (r) 2.0

 dextrorse
      adj : spiraling upward from left to right; "dextrorse vines" [syn:
             dextrorsal]