Definitions

1. noun

a leaf-like structure that is typically green and supports the flower in a bud, especially in plants of the family Gentianaceae.

“The sepal of the rose is green and slightly hairy.”

2. noun

any of the often green, leaf-like parts that make up the calyx of a flower, which usually falls off as the flower opens.

“The sepals of the orchid are colorful and attractive.”

3. noun

a green or colored leaf-like structure that is part of the calyx of a flower, especially in the family Magnoliaceae.

“The sepals of the magnolia are large and showy.”