/dek stral"i tee/ , n.
1. the state or quality of having the right side or its parts or members different from and, usually, more efficient than the left side or its parts or members; right-handedness.
2. preference for using the right hand or side. Cf. sinistrality .
3. Zool. the state of being dextral.
[ 1640-50; DEXTRAL + -ITY ]