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Webster 1913 Edition
Dextral
Dex′tral
,Adj.
[From
Dexter
.] Right, as opposed to sinistral, or left.
Dextral shell
(Zool.)
, a spiral shell the whorls of which turn from left right, or like the hands of a watch when the apex of the spire is toward the eye of the observer.
Webster 1828 Edition
Dextral
DEXTRAL
,Adj.