canvasback, canvasback duck, Aythya valisineria
(noun) North American wild duck valued for sport and food
Source: WordNet® 3.1
canvasback (plural canvasbacks)
A North American wild duck, Aythya valisineria, popular as a game bird.
Source: Wiktionary
Can"vas*back`, n. (Zoöl.)
Definition: A Species of duck (Aythya vallisneria), esteemed for the delicacy of its flesh. It visits the United States in autumn; particularly Chesapeake Bay and adjoining waters; -- so named from the markings of the plumage on its back.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 February 2025
(noun) (astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
