n. one of the component parts of the corolla of a flower, when this consists of separate parts, that is it is not fused. Petals are often brightly colored.
n. Term of endearment.
the GNU version of the Collaborative International Dictionary of English
n. One of the leaves of the corolla, or the colored leaves of a flower. See corolla, and Illust. of flower.
n. One of the expanded ambulacra which form a rosette on the black of certain Echini.
The Century Dictionary and Cyclopedia
n. In botany, a corollaleaf; one of the individual parts of a corolla in which they are distinct.
n. In zoology, a petaloid ambulacrum, as that of a spatangoid or clypeastroid sea-urchin. See cuts under ambulacrum and petalostichous.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. part of the perianth that is usually brightly colored
Word Usage
"Also I have accepted the term petal -- but never the word lip -- as applied to flowers."