(definition) by Webster 1913 Wed Dec 22 1999 at 3:09:15

Sin"is*tral (?), a.

1.

Of or pertaining to the left, inclining to the left; sinistrous; -- opposed to dextral.

2. Zool.

Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells.

 

© Webster 1913.

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