trefoil : Idioms & Phrases


bean trefoil

  • noun shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed
    bean trefoil; Anagyris foetida.
WordNet
Bean" tre"foil
Definitions
  1. (Bot.) A leguminous shrub of southern Europe, with trifoliate leaves (Anagyris foetida).
Webster 1913

bird's foot trefoil

  • noun Old World herb related to fenugreek
    Trigonella ornithopodioides.
  • noun European forage plant having claw-shaped pods introduced in America
    bird's foot clover; Lotus corniculatus; bacon and eggs; babies' slippers.
WordNet

Bird's-foot trefoil

  • . (Bot.) (a) A genus of plants (Lotus) with clawlike pods. L. corniculatas, with yellow flowers, is very common in Great Britain. (b) the related plant, Trigonella ornithopodioides, is also European.
Webster 1913

lesser yellow trefoil

  • noun clover native to Ireland with yellowish flowers; often considered the true or original shamrock
    shamrock; Trifolium dubium; hop clover.
WordNet

Marsh trefoil

  • noun perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface
    Menyanthes trifoliata; buckbean; bogbean; water shamrock; bog myrtle.
WordNet
  • . (Bot.) Same as Buckbean.
Webster 1913

Moon trefoil

  • noun evergreen shrub of southern European highlands having downy foliage and a succession of yellow flowers throughout the summer followed by curious snail-shaped pods
    Medicago arborea.
WordNet
  • (Bot.), a shrubby species of medic (Medicago arborea). See Medic.
Webster 1913

prairie bird's-foot trefoil

  • noun North American annual with red or rose-colored flowers
    Lotus americanus; compass plant; prairie lotus; prairie bird's-foot trefoil.
WordNet

prairie trefoil

  • noun North American annual with red or rose-colored flowers
    Lotus americanus; compass plant; prairie lotus; prairie bird's-foot trefoil.
WordNet

Snail trefoil

  • . (Bot.) See Snail clover, above.
Webster 1913

stinking bean trefoil

  • noun shrub with trifoliate leaves and yellow flowers followed by backward curving seed pods; leaves foetid when crushed
    bean trefoil; Anagyris foetida.
WordNet

Thorny trefoil

  • a prickly plant of the genus Fagonia (F. Cretica, etc.).
Webster 1913

Tick trefoil

  • noun any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments
    beggar lice; beggar's lice.
WordNet
  • (Bot.), a name given to many plants of the leguminous genus Desmodium, which have trifoliate leaves, and joined pods roughened with minute hooked hairs by which the joints adhere to clothing and to the fleece of sheep.
Webster 1913

trefoil arch

  • noun a pointed arch having cusps in the intrados on either side of the apex
WordNet

water trefoil

Wa"ter tre"foil`
Definitions
  1. (Bot.) The buck bean.
Webster 1913

yellow trefoil

  • noun prostrate European herb with small yellow flowers and curved black pods; naturalized in North America
    black medick; hop clover; nonesuch clover; Medicago lupulina.
WordNet