1. (noun) plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

• flag
• fleur-de-lis
• sword lily

2. (noun) diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening

• iris diaphragm

1. (noun) plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

• bearded iris
• beardless iris
• blue flag
• iris versicolor
• bulbous iris
• dwarf iris
• iris cristata
• dwarf iris
• iris verna
• vernal iris
• english iris
• iris xiphioides
• gladdon
• gladdon iris
• iris foetidissima
• roast beef plant
• stinking gladwyn
• stinking iris
• iris persica
• persian iris
• iris pseudacorus
• yellow flag
• yellow iris
• yellow water flag
• iris virginica
• southern blue flag

1. (noun) plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

• iridaceous plant

2. (noun) muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye

• membrane
• tissue layer

3. (noun) diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening

• diaphragm
• stop

1. (noun) plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals

• genus iris