1. the king of Egypt who founded the Macedonian dynasty in Egypt; a close friend and general of Alexander the Great who took charge of Egypt after Alexander died (circa 367-285 BC);
WordNet (r) 3.0 (2006):
Ptolemy I
n 1: the king of Egypt who founded the Macedonian dynasty in
Egypt; a close friend and general of Alexander the Great
who took charge of Egypt after Alexander died (circa
367-285 BC)