petunia /pəˈtʲuːni.ə/noun 3adjective 1forms 1 noun3 •Any of the flowering plants of genus Petunia, of which most garden varieties are hybrids.Usually petunias are quite pest free, but aphids are occasional problems. — 2002 •A dark purple colour, like that of some petunia flowers. •(slang) A homosexual. adjective1 •Of a dark purple colour, like that of some petunia flowers. formspetunias
