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The Collaborative International Dictionary of English v.0.48 (gcide)

Dextral \Dex"tral\, a. [From {Dexter}.]
Right, as opposed to sinistral, or left.
[1913 Webster]

{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.
[1913 Webster]


clockwise \clockwise\ adj.
1. -- of rotatory motion. {dextral}
[WordNet 1.5]