tamagotchi Syllabification: (ta·ma·got·chi)Pronunciation: /ˌtäməˈgōCHē, ˌtam-, -ˈgäCHē/Definition of tamagotchi noun trademark an electronic toy displaying a digital image of a creature, which has to be looked after and responded to by the “owner” as if it were a pet. Origin:Japanesetamagotchi in other Oxford dictionaries Definition of tamagotchi in the British & World English dictionary