gladiolus vs. gladiola

noun

plural gladiolus, gladioli gladioluses gladioli
  1. any plant of the genus Gladiolus, of the iris family, native especially to Africa, having erect, sword-shaped leaves and spikes of flowers in a variety of colors.
  2. Anatomy. the middle and largest segment of the sternum. Compare manubrium ( def 2a ), xiphisternum.