retumbo

== Spanish == === Pronunciation === IPA(key): /reˈtumbo/ [reˈt̪ũm.bo] Rhymes: -umbo Syllabification: re‧tum‧bo === Etymology 1 === Deverbal from retumbar. ==== Noun ==== retumbo m (plural retumbos) crash (of thunder) boom, crash (loud sound) === Etymology 2 === ==== Verb ==== retumbo first-person singular present indicative of retumbar === Further reading === “retumbo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025