trefoil (n.)

  1. any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves

    [ Syn: medic , medick ]

  2. a plant of the genus Trifolium

    [ Syn: clover ]

  3. an architectural ornament in the form of three arcs arranged in a circle

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.