'Laterality' definitions:

Definition of 'laterality'

(from WordNet)
noun
Localization of function on either the right or left sides of the brain [syn: lateralization, lateralisation, laterality]
noun
The property of using one hand more than the other [syn: handedness, laterality]
noun
Superior development of one side of the body [syn: laterality, dominance]

Definition of 'Laterality'

From: GCIDE
  • Laterality \Lat`er*al"i*ty\, n. The state or condition of being lateral. [1913 Webster]