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English definition of “hero (sandwich)”

hero (sandwich)

noun [C]  /ˈhɪər·oʊ (ˈsænd·wɪtʃ)/ (plural heroes) regional US (regional US submarine (sandwich), regional US hoagie, regional US grinder, regional US poor boy) us  
a long, narrow sandwich filled with such things as meat, cheese, and vegetables
(Definition of hero (sandwich) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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