Webster's 1828 Dictionary
CHECKERS
n.plu. A common game on a checkered board.
Webster's 1913 Dictionary
CHECKERS
Check "ers, n. pl. Etym: [See Checher, v.]
Defn: A game, called also daughts, played on a checkerboard by two persons, each having twelve men (counters or checkers ) which are moved diagonally. The game is ended when either of the players has lost all his men, or can not move them.
New American Oxford Dictionary
checkerspot
check er spot |ˈCHekərˌspät ˈtʃɛkərspɑt | ▶noun a North American butterfly with pale markings on the wings that typically form a checkered pattern. [Euphydryas and other genera, subfamily Melitaeinae, family Nymphalidae: several species, in particular the Baltimore checkerspot (E. phaeton ).]
Oxford Dictionary
checkerspot
checker |spot ▶noun a North American butterfly that resembles a fritillary, with pale markings on the wings that typically form a chequered pattern. ●Euphydryas and other genera, subfamily Melitaeinae, family Nymphalidae.
The Wordsmith Dictionary