extum genitive plural of exta; alternative form of <span class="searchmatch">extōrum</span> 46 BCE, Cicero, Orator 46.155, (quoting Pacuvius): consilium socii, augurium atque extum interpretes...
perfect passive participle of exsecō (“to cut out”). exta n pl (genitive <span class="searchmatch">extōrum</span>); second declension the bowels or entrails of animals, especially the heart...