Meaning

noun a cargo ship designed to carry crude oil in bulk

noun a soldier who drives a tank

originEtymology tree Prakrit 𑀝𑀁𑀓 (ṭaṃka) Gujarati ટાંકી (ṭā̃kī)bor. Portuguese tanquebor. English tank 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 tanker From tank + -er.

Etymology from Wiktionary, CC BY-SA 3.0