DICT.TW Dictionary Taiwan

 dex·tral /ˈdɛkstrəl/
 (a.)右側的,用右手的,右旋的

 dex·tral /ˈdɛkstrəl/ 形容詞
 右的,右利的,右利手者

 Dex·tral a.  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.
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 dextral
      adj 1: of or on the right; "a dextral gastropod shell with the apex
             upward has its opening on the right when facing the
             observer"; "a dextral flatfish lies with the right eye
             uppermost" [ant: sinistral]
      2: preferring to use right foot or hand or eye; "dextral
         individuals exhibit dominance of the right hand and eye"