1) a widow
2) metaphorically a city stripped of its inhabitants and riches is represented under the figure of a widow
Part of Speech: noun feminine
Citing in TDNT: 9:440, 1313
Feminine of a presumed derivation apparently from the base of G5490 through the idea of deficiency; a widow (as lacking a husband), literally or figuratively: - widow.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root χήρα; click on the second column to search for that grammatical form of the root χήρα; click on the third column to search for that word and grammatical form; click on the total to search for the root χήρα.