piece — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
chessman — any of the eight pieces and eight pawns used by each player in a game of chess
pawn — to deposit as security, as for money borrowed, especially with a pawnbroker: He raised the money by pawning his watch.
knight — Eric, 1897–1943, U.S. novelist, born in England.
king — one of the 12 paladins of Charlemagne. Compare Roland.
queen — Ellery, joint pen name of Manfred Bennington Lee and Frederick Dannay.
bishop — A bishop is a clergyman of high rank in the Roman Catholic, Anglican, and Orthodox churches.
castle — A castle is a large building with thick, high walls. Castles were built by important people, such as kings, in former times, especially for protection during wars and battles.
rook — one of two pieces of the same color that may be moved any number of unobstructed squares horizontally or vertically; castle.