(n.) Any species of South American humming birds of the genus Clytolaema. The males have a ruby-colored throat or breast.
(n.) A precious stone of a carmine red color, sometimes verging to violet or intermediate between carmine and hyacinth red. It is a red crystallized variety of corundum.
usage: "ardent love"; "an ardent lover"; "a fervent desire to change society"; "a fervent admirer"; "fiery oratory"; "an impassioned appeal"; "a torrid love affair"