1. The condition or characteristic of being left-handed; the predominant use of the left hand over the right hand in performing tasks
The study examined the prevalence of left-handedness in the population.
O estudo examinou a prevalência da sinistralidade na população.
2. In a broader sense, a tendency toward the left side or left-oriented behavior or orientation
The sinistralidad of the architectural design was unusual for that era.
A sinistralidade do design arquitetônico era incomum para aquela época.