Definitions:
examine (something) in order to determine its accuracy, quality, or condition, or to detect the presence of something

stop or slow the progress of (something, typically something undesirable)

(of a passenger) consign (baggage) to the care of the transport provider with whom they are travelling

mark or click on (a box) in order to select a particular option on a form, questionnaire, etc.

move a piece or pawn to a square where it attacks (the opposing king)

(in poker) choose not to make a bet when called upon, allowing another player to do so instead.

(of a hound) pause to make sure of or regain a scent.

an examination to test or ascertain accuracy, quality, or satisfactory condition

a stopping or slowing of progress

a move by which a piece or pawn directly attacks the opponent's king and by which the king may be checkmated.

a token of identification for left luggage.

a counter used as a stake in a gambling game.

a part of a piano which catches the hammer and prevents it retouching the strings.

a crack or flaw in timber.

expressing assent or agreement.

used by a chess player to announce that the opponent's king has been placed in check.

a pattern of small squares

having a checked pattern