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n. [ See Dungeon. ] The chief tower, also called the keep; a massive tower in ancient castles, forming the strongest part of the fortifications. See Illust. of Castle. [ 1913 Webster ]

n. (Finance) an index of certain stock prices on the New York Stock Exchange, computed by the Dow Jones publishing company as a weighted average of the prices of specific stocks in certain categories. Three indices are maintained, the Industrials, the Transportations, and the Utilities. When used without qualification, the term usually refers to the Dow Jones Industrial Average.
Syn. -- Dow, Dow Jones, Dow-Jones Average. [ PJC ]

n. (Finance) an index of certain stock prices on the New York Stock Exchange, computed by the Dow Jones publishing company as a weighted average of the prices of the common stocks of 30 specific companies classified as "industrial". The Dow Jones Industrial Average is often taken as an indicator of the movement of American stock prices generally, though other indices are maintained, averaging the prices of other stocks, and these often change in opposite directions from those of the DJIA.
Syn. -- DJI, DJIA, Dow, Dow Jones, Dow-Jones Average. [ PJC ]

n. The Hebrew prophet, who was cast overboard as one who endangered the ship; hence, any person whose presence is unpropitious. [ 1913 Webster ]

Jonah crab (Zool.), a large crab (Cancer borealis) of the eastern coast of the United States, sometimes found between tides, but usually in deep water. [ 1913 Webster ]

a. Of or pertaining to Jones. [ 1913 Webster ]

The Jonesian system, a system of transliterating Oriental words by English letters, invented by Sir William Jones.

{ } n. [ F. jongleur. See Juggler. ] [ 1913 Webster ]

1. In the Middle Ages, a court attendant or other person who, for hire, recited or sang verses, usually of his own composition. See Troubadour. [ 1913 Webster ]

Vivacity and picturesquenees of the jongleur's verse. J R. Green. [ 1913 Webster ]

2. A juggler; a conjuror. See Juggler. Milton.

{ }, n. [ F. jonquille, fr. L. juncus a rush, because it has rushlike leaves. ] (Bot.) A bulbous plant of the genus Narcissus (Narcissus Jonquilla), allied to the daffodil. It has long, rushlike leaves, and yellow or white fragrant flowers. The root has emetic properties. It is sometimes called the rush-leaved daffodil. See Illust. of Corona. [ 1913 Webster ]

n. A Chinese game played by 4 people with 144 tiles. [ WordNet 1.5 ]