TANTALUS n.
A genus of wading birds comprising the wood ibises. Tantalus's cup (Physics), a philosophical toy, consisting of a cup, within which is the figure of a man, and within the figure a siphon, the longer arm of which passes down through the bottom of the cup, and allows the escape of any liquid that may be poured in, when…
UMBER n.
An African wading bird (Scopus umbretta) allied to the storks and herons. It is dull dusky brown, and has a large occipital crest. Called also umbrette, umbre, and umber bird. Burnt umber (Paint.), a pigment made by burning raw umber, which is changed by this process from an olive brown to a bright reddish brown. -- C…