Meaning

noun one who trains other persons or animals

noun simulator consisting of a machine on the ground that simulates the conditions of flying a plane

originEtymology tree Proto-Indo-European *dʰregʰ-der.? Latin trahere Vulgar Latin *tragīnāre Old French traïnerder. Old French trainder. Middle English trayne English train 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 trainer From train + -er.

Etymology from Wiktionary, CC BY-SA 3.0