GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   Petal , n. [Gr. πέταλον a leaf, a leaf or plate of metal, fr. πέταλος outspread, broad, flat: cf. F. pétale. See Fathom.]
    (Bot.) One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.
   1913 Webster
   (Zool.) One of the expanded ambulacra which form a rosette on the black of certain Echini.
   1913 Webster