double check

¹

noun

Chess.

1. a simultaneous check by two pieces in which the moving of one piece to give check also results in discovering a check by another piece.

double-check

²

[duhb-uhl-chek]

verb (used with or without object)

1. to check twice or again; recheck.

noun

1. a second examination or verification to assure accuracy, proper functioning, or the like.

double-check

verb

1. to check twice or again; verify

noun

1. a second examination or verification

2. chess a simultaneous check from two pieces brought about by moving one piece to give check and thereby revealing a second check from another piece

Word History and Origins

Origin of double-check¹

An Americanism dating back to 1950–55

Related Words

• affirm 
• approve 
• back 
• certify 
• corroborate 
• endorse 
• establish 
• explain 
• sign 
• substantiate 
• support 
• uphold 
• verify