/si looh"sid/ , n. , pl. Seleucidae /-si dee'/ , adj.
n.
1. a member of a Macedonian dynasty, 312-64 B.C., that ruled an empire that included much of Asia Minor, Syria, Persia, Bactria, and Babylonia.
adj.
2. of or pertaining to the Seleucids or their dynasty.
[ 1850-55; Seleucides Seleukídes offspring of SELEUCUS I; see -ID 1 ]