Definition of Trefoil

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


2. Noun. A plant of the genus Trifolium.

3. Noun. An architectural ornament in the form of three arcs arranged in a circle.
Generic synonyms: Architectural Ornament

Definition of Trefoil

1. n. Any plant of the genus Trifolium, which includes the white clover, red clover, etc.; -- less properly, applied also to the nonesuch, or black medic. See Clover, and Medic.

Definition of Trefoil

1. a plant having ternate leaves [n -S]

Medical Definition of Trefoil

1. 1. Any plant of the genus Trifolium, which includes the white clover, red clover, etc.; less properly, applied also to the nonesuch, or black medic. See Clover, and Medic. 2. An ornamental foliation consisting of three divisions, or foils. 3. A charge representing the clover leaf. Origin: L. Tres three + E. Foil leaf; cf. F. Frefle, It. Trifoglio, L. Trifolium. See Tri-, Foil leaf, and cf. Trifoly. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Trefoil

tree squirrel
tree stump
tree surgeon
tree surgery
tree swallow
tree swift
tree toad
tree tobacco
tree tomato
tree trunk
tree wallaby
tref
trefa
trefah
trefoil (current term)
trefoil (current term)
trefoils
trefoil arch
trefoil dermatitis
trefoil polypeptide
trefoil tendon
trehala
trehala
trehalas
trehalase
trehalose
trehalose
trehalose-phosphatase
trehaloses
trehalose mycolyltransferase

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