In a direction from right to left. ... Origin: dextro-+ L. Sinister, left ... (05 Mar 2000) ... 
(dek″stro-sin´is-trәl) extending from right to left; also applied to a left-handed person trained to use the right hand in certain performances.
Type: Term Pronunciation: deks′trō-si-nis′trăl Definitions: 1. In a direction from right to left.
passing or extending from the right to the left. · left-handed, but having the right hand trained for writing.