• synonyms


[sahy-ath-ee-uh m]
noun, plural cy·ath·i·a [sahy-ath-ee-uh] /saɪˈæθ i ə/. Botany.
  1. an inflorescence consisting of a cup-shaped involucre enclosing an apetalous, pistillate flower surrounded by several staminate flowers.
Show More

Origin of cyathium

< New Latin < Greek kyáthion, diminutive of kýathos ladle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cyathium

Historical Examples of cyathium

  • The partial inflorescence (cyathium) of Euphorbia (fig. 1) resembles superficially a hermaphrodite flower.

    Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 8


  • A partial inflorescence, cyathium, bearing the petaloid glands.