queen
noun/kwin/ 
female ruler
1 the female ruler of an independent state that has a royal familyto be crowned queenkings and queensthe Queen of NorwayQueen Victoria2 (also queen consort) the wife of a kingbest in group
3 queen (of something) a woman, place, or thing that is thought to be one of the best in a particular group or areathe queen of fashiona movie queenVenice, queen of the Adriaticat festival
4 a woman or girl chosen to perform official duties at a festival or celebrationthe queen of the annual Artichoke Festivala homecoming queen see also beauty queenin chess
5 the most powerful piece used in the game of chess that can move any number of squares in any direction
in cards
6 a playing card with the picture of a queen on it
insect
7 a large female insect that lays eggs for the whole groupa queen beethe uncrowned king/queen (of something)
the person considered to be the best, most famous, or most successful in a particular place or area of activity
the uncrowned kingthe uncrowned king ofthe uncrowned queenthe uncrowned queen of