sinistral
Pronunciation: /ˈsɪnɪstr(ə)l/
adjective
- of or on the left side or the left hand (the opposite of dextral).
- left-handed.
- Geology relating to or denoting a strike-slip fault in which the motion of the block on the further side of the fault from an observer is towards the left.
- Zoology (of a spiral mollusc shell) with whorls rising to the left and coiling in a clockwise direction.
