1. sinistral - Noun
2. sinistral - Adjective
3. sinistral - Adjective Satellite
Of or pertaining to the left, inclining to the left; sinistrous; -- opposed to dextral.
Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells.
Source: Webster's dictionarya sinistral gastropod shell with the apex upward has its opening on the left when facing the observer Source: Internet
a sinistral flatfish lies with the left eye uppermost Source: Internet
sinistral individuals exhibit dominance of the left hand and eye Source: Internet