Dictionary.com
Thesaurus.com

chessman

American  
[ches-man, -muhn] / ˈtʃɛsˌmæn, -mən /

noun

plural

chessmen
  1. any piece used in the game of chess.


chessman British  
/ ˈtʃɛsˌmæn, -mən /

noun

  1. any of the eight pieces and eight pawns used by each player in a game of chess

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of chessman

1275–1325; Middle English; earlier chesse meyne, equivalent to chesse chess 1 + meyne household ( man, men by folk etymology) < Middle French mesniée < Latin mansiōn- (stem of mansiō ); mansion