S: (n) queen (something personified as a woman who is considered the best or most important of her kind) "Paris is the queen of cities"; "the queen of ocean liners"
S: (n) queen, queen mole rat (an especially large mole rat and the only member of a colony of naked mole rats to bear offspring which are sired by only a few males)
S: (v) promote (change a pawn for a better piece by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it to the row closest to your opponent)