adjective1. of, relating to, or located on the left side, esp the left side of the body
2. a technical term for left-handed
3. (of the shells of certain gastropod molluscs) coiling in a clockwise direction from the apex
Compare dextralWord origin
C15 (in the obsolete sense: adverse, evil); C19 (in current senses): from MedievalLatin
sinistrālis. See
sinister