'Regulus calendula' definitions:

Definition of 'Regulus calendula'

From: WordNet
noun
American kinglet with a notable song and in the male a red crown patch [syn: ruby-crowned kinglet, ruby-crowned wren, Regulus calendula]

Definition of 'Regulus calendula'

From: GCIDE
  • Kinglet \King"let\, n.
  • 1. A little king; a weak or insignificant king. --Carlyle. [1913 Webster]
  • 2. (Zool.) Any one of several species of small singing birds of the genus Regulus and family Sylviid[ae]. [1913 Webster]
  • Note: The golden-crowned kinglet (Regulus satrapa), and the rubycrowned kinglet (Regulus calendula), are the most common American species. The common English kinglet (Regulus cristatus) is also called {golden-crested wren}, moonie, and marigold finch. The kinglets are often popularly called wrens, both in America and England.