One who or that which checks or verifies something.
One who makes a check mark.
One who hinders or stops something.
The clerk who tallies cost of purchases and accepts payment.
The fruit of the wild service tree or chequer tree, Photinia villosa, syn. Sorbus terminalis
A playing piece in the game of checkers (British: draughts).
An individual square appearing in such a pattern.
A pattern of alternating colours as on a chessboard.
To mark in a pattern of alternating light and dark positions, like a checkerboard.
To develop markings in a pattern of alternating light and dark positions, like a checkerboard.
One who scans.
A radio receiver which iterates through a sequence of frequencies to detect signal.
A device which scans documents in order to convert them to a digital medium.
A device which uses radiation (ultrasound, X-ray, etc.) to generate images of tissue or surfaces for diagnostic purposes.
A device which uses optics to detect printed data (such as a barcode).