thornbill n 1: any of various South American hummingbirds with a sharp pointed bill
Thornbill \Thorn"bill`\, n. (Zool.) Any one of several species of small, brilliantly colored American birds of the genus {Rhamphomicron}. They have a long, slender, sharp bill, and feed upon honey, insects, and the juice of the sugar cane. [1913 Webster] [1913 Webster]