noun
a locomotive that carries its own fuel and water; no tender is needed
• Syn: ↑tank locomotive
• Hypernyms: ↑locomotive, ↑engine, ↑locomotive engine, ↑railway locomotive
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noun* * *
tank engine noun
A locomotive that incorporates its own tanks for carrying water and coal (without the need for a tender)
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Main Entry: ↑tank
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a steam engine that carries its own fuel and water inside, rather than using another small truck
Useful english dictionary. 2012.