thoom

== English == === Pronunciation === (Received Pronunciation) IPA(key): /ˈθuːm/ Rhymes: -uːm === Noun === thoom (plural thooms) A thudding, booming sound. === Verb === thoom (third-person singular simple present thooms, present participle thooming, simple past and past participle thoomed) (intransitive) To produce such a sound. 2013, Josh Wagner, Deadwind Sea No heartbeat thoomed unmirrored in the chest of the youngest baby pelican or the oldest arctic turtle.