驿使 yìshǐ courier Definitions Defs Origin Strokes Stroke Words Sentences Sents yìshǐ courier 驿 驛 yì post station (bound form) a relay station for courier horses or officials in ancient times使 shǐ nounverb to send To send someone to do something; to instruct or command someone to act as a messenger or envoy.yìshǐ interpreter messenger 驿 驛 yì post station (bound form) a relay station for courier horses or officials in ancient times使 shǐ noun (bound form) envoy (bound form) envoy; messenger; diplomat representing a country abroad.