petal /ˈpɛtl̩/noun 4verb 1forms 5 noun4 •One of the component parts of the corolla of a flower. It applies particularly, but not necessarily only, when the corolla consists of separate parts, that is when the petals are not connately fused. Petals are often brightly colored. •Term of endearment.She is freezing cold. Sputtering. Big eyes wide and wet and red. Too shocked even to cry. 'It's okay, petal, it's okay.' — 2011 •A lobe of a rose (geometric shape). •(euphemistic) The labia (majora). verb1 •To spread out from, like the petals of a flowerWith his forefinger, he curled one of the ringlets that petaled against Malou's forehead. — 2014 formspetaled · petalled · petaling · petalling · petals