[dai.sy] n, pl daisies [ME dayeseye, fr. OE daegeseage, fr. daeg day + eage eye] (bef. 12c) 1: a composite plant (as of the genera Bellis or Chrysanthemum) having a flower head with well-developed ray flowers usu. arranged in one or a few whorls: as a: a low European herb (Bellis perennis) with white or pink ray flowers--called also English daisy b: a leafy-stemmed perennial herb (Chrysanthemum leucanthemum) with long white ray flowers and a yellow disk that was introduced into the U.S. from Europe--called also oxeye daisy
2: the flower head of a daisy
3: a first-rate person or thing
4. cap: a member of a program of the Girl Scouts for girls in kindergarten and first grade in school