The teaberry, Gaultheria procumbens.

plural of checkbox

A space on a paper form that can be optionally filled with a check mark. / (graphical user interface) An on-screen box that can be optionally filled with a check mark, to enable or disable a setting.

(computing) A software application that attempts to verify spelling in a document.

Third-person singular simple present indicative form of checker

plural of checker

(board games, US, Canada, in the singular) A game for two players played on a chessboard; the players have 12 pieces each, and the object is to capture all the opponent’s pieces by jumping over them. Other European varieties have larger boards and more playing pieces.

(US) The practice of journalists of paying a person or organization for the receipt of a news story.

(transitive) To mark in a pattern of alternating light and dark positions, like a checkerboard.

One who checks or verifies something. / One who makes a check mark. / The clerk who tallies cost of purchases and accepts payment. / One who hinders or stops something.