sinistrality

[ sin-uh-stral-i-tee ]
/ ˌsɪn əˈstræl ɪ ti /

noun

the state or quality of having the left side or its parts or members different from and, usually, more efficient than the right side or its parts or members; left-handedness.
preference for using the left hand or side.
the state of being sinistral.
Compare dextrality.

Origin of sinistrality

First recorded in 1850–55; sinistral + -ity

Medical definitions for sinistrality

sinistrality
[ sĭn′ĭ-strălĭ-tē ]

n.

Preference for the left hand in performing manual tasks; left-handedness.