sinistral
Concise Oxford English Dictionary © 2008 Oxford University Press:
sinistral /ˈsɪnɪstr(ə)l/
▶adjective
- 1 of or on the left side or the left hand. The opposite of dextral.
■ left-handed.
- 2 Geology relating to or denoting a strike-slip fault in which the motion of the block on the further side of the fault is towards the left.
- 3 Zoology (of a spiral mollusc shell) with whorls rising to the left and coiling clockwise.
– derivatives
sinistrality noun,
sinistrally adverb.
sinistrality noun,
sinistrally adverb.
'sinistral' also found in these Oxford entries:

