The Collaborative International Dictionary of English v.0.48:

Apiaceae \Apiaceae\ prop. n.
   A natural family of plants bearing flowers in umbels;
   examples are: parsley; carrot; anise; caraway;
   celery; dill.

   Syn: Umbelliferae, family Umbelliferae, family Apiaceae,
        carrot family
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Apiaceae
    n 1: plants having flowers in umbels: parsley; carrot; anise;
         caraway; celery; dill [syn: Umbelliferae, family
         Umbelliferae, Apiaceae, family Apiaceae, carrot
         family]