daucus carota

from WordNet (r) 3.0 (2006)

Daucus carota
    n 1: a widely naturalized Eurasian herb with finely cut foliage
         and white compound umbels of small white or yellowish
         flowers and thin yellowish roots [syn: {wild carrot},
         {Queen Anne's lace}, {Daucus carota}]

from The Collaborative International Dictionary of English v.0.48

Carrot \Car"rot\, n. [F. carotte, fr. L. carota; cf. Gr. ?]
   1. (Bot.) An umbelliferous biennial plant ({Daucus Carota}),
      of many varieties.
      [1913 Webster]

   2. The esculent root of cultivated varieties of the plant,
      usually spindle-shaped, and of a reddish yellow color.
      [1913 Webster]