dayee exclamation 1noun 1forms 1 exclamation1 •(Australia, old-fashioned) An ellipsis of good day.“Good day ′Un!” he said to the yardman. “Day-ee, Jasper!” replied 'Un. “Day-ee, Silas! How′s things?” — 1955 noun1 •(India, rare) midwife formsdayees