D defs.my
Entry 2 senses Webster, 1913

Petal

/(pĕt"al; 277)/ · Pet·al · IPA /ˈpɛtl̩/
01 n. One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.
  1. 1.
    One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.(Bot.) See: Corolla, Flower
  2. 2.
    One of the expanded ambulacra which form a rosette on the black of certain Echini.(Zool.)