UMBRA
umbra
(noun) a region of complete shadow resulting from total obstruction of light
Source: WordNet® 3.1
Etymology
Noun
umbra (plural umbras or umbrae)
The fully shaded inner region of a shadow cast by an opaque object.
(astronomy) The area on the earth or moon experiencing the total phase of an eclipse.
(astronomy) The central region of a sunspot.
(chiefly, literary) A shadow.
(archaic) An uninvited guest brought along by one who was invited.
One of the family Umbridae of mudminnows.
A sciaenoid fish, the umbrine.
Coordinate terms
• antumbra
• penumbra
Anagrams
• Burma, rumba
Source: Wiktionary
Um"bra, n.; pl. Umbræ. Etym: [L., a shadow.]
1. (Astron.)
(a) The conical shadow projected from a planet or satellite, on the
side opposite to the sun, within which a spectator could see no
portion of the sun's disk; -- used in contradistinction from
penumbra. See Penumbra.
(b) The central dark portion, or nucleus, of a sun spot.
(c) The fainter part of a sun spot; -- now more commonly called
penumbra.
2. (Zoöl.)
Definition: Any one of several species of sciænoid food fishes of the genus
Umbrina, especially the Mediterranean species (U. cirrhosa), which is
highly esteemed as a market fish; -- called also ombre, and umbrine.
Umbra tree (Bot.), a tree (Phytolacca diocia) of the same genus as
pokeweed. It is native of South America, but is now grown in southern
Europe. It has large dark leaves, and a somber aspect. The juice of
its berries is used for coloring wine. J. Smith (Dict. Econ. Plants).
Source: Webster’s Unabridged Dictionary 1913 Edition