coronial adjective 2noun 1forms 1 adjective2 •(Australia, New-Zealand) Of, by or pertaining to a coroner.When the station was reached the doctor, of course, said that Garfield's death had been instantaneous, and as he was vested with coronial powers a formal inquest was held before burial. — 1894 •Of or pertaining to coronides. noun1 •A baby conceived or born during the COVID-19 pandemic, especially one apparently conceived during a lockdown.Bollywood couple Kareena Kapoor Khan and Saif Ali Khan announced that they are expecting their second child together. Their baby will be a coronial. — 2020 formscoronials