1. the Old English dialect of the West Saxon kingdom, dominant after A.D. c850 and the medium of nearly all the literary remains of Old English.
2. any of the English of the period before the Norman Conquest who lived in the region south of the Thames and west of Surrey and Sussex.
3. a person whose native tongue was West Saxon.
4. of or pertaining to the West Saxons or their dialect.
[ 1350-1400; ME, for OE Westseaxan WESSEX; see WEST, SAXON ]