cricket (n.1)

saltatorial orthopterous insect, early 14c. (late 12c. as a surname), from Old French criquet "a cricket" (12c.), from criquer "to creak, rattle, crackle," of echoic origin, with a diminutive suffix; The Middle English Compendium says the French word is from Germanic (compare Dutch krekel, German Kreckel). The earliest uses in English are in reference to the fabulous fire-dwelling salamander (perhaps from the notion of hearth crickets); in reference to the insect, by c. 1500.

cricket (n.2)

open-air game played by two sides of 11 with bats, balls, and wickets, 1590s, apparently from Old French criquet "goal post, stick," perhaps from Middle Dutch/Middle Flemish cricke "stick, staff," which is perhaps from the same root as crutch. Sense of "fair play" is first recorded 1851, on the notion of "cricket as it should be played."

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Definitions of cricket
cricket (n.)
leaping insect; male makes chirping noises by rubbing the forewings together;
cricket (n.)
a game played with a ball and bat by two teams of 11 players; teams take turns trying to score runs;
cricket (v.)
play cricket;