Meaning

noun the official who signals the beginning of a race or competition

noun employee of a transportation company who controls the departures of vehicles according to weather conditions and in the interest of efficient service

originEtymology tree English dispatch Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English dispatcher From dispatch + -er.

Etymology from Wiktionary, CC BY-SA 3.0