Akademik

sinistral
adj. & n.
—adj.
1 left-handed.
2 of or on the left.
3 (of a flat-fish) with the left side uppermost.
4 (of a spiral shell) with whorls rising to the left and not (as usually) to the right.
Derivatives:
sinistrality n. sinistrally adv.

Useful english dictionary. 2012.