What does gladiolus mean?
• GLADIOLUS (noun) The noun GLADIOLUS has 2 senses: 1. any of numerous plants of the genus Gladiolus native chiefly to tropical and South Africa having sword-shaped leaves and one-sided spikes of brightly colored funnel-shaped flowers; widely cultivated 2. the large central part of the breastbone Familiarity information: GLADIOLUS used as a noun is rare.