a window or opening, often closed by a grating or the like, as in a door, or forming a place of communication in a ticket office, a teller's cage in a bank, etc.

Croquet . a hoop or arch.

a turnstile in an entrance.

a small door or gate, esp. one beside, or forming part of, a larger one.

a small gate by which a canal lock is emptied.

a gate by which a flow of water is regulated, as to a waterwheel.

Cricket .

either of the two frameworks, each consisting of three stumps with two bails in grooves across the tops, at which the bowler aims the ball.

the area between the wickets; the playing field.

one batsman's turn at the wicket.

the period during which two players bat together.

a batsman's inning that is not completed or not begun. ?

to be on, have, or bat a sticky wicket

British Slang . to be at or have a disadvantage.

noun

arch , entrance , gate , hoop , opening , window