present participle of shoulder check

(software) A range of techniques used for statically checking the correctness of some program constraints.

(graphical user interface) Alternative form of checkbox

An extra check or verification made a second time, usually with additional caution or attention. / (chess, uncountable) A check delivered by two pieces simultaneously.

To check again; to check with extra caution or attention; to verify or make sure.

A check or review to make sure something is consistent, reasonable, etc. / (idiomatic) A wake-up call, reminder.

(US) A service provided at certain businesses which allows one to check one's coat for safekeeping while inside.

(intransitive) To confirm and pay for goods and services at a facility (e.g.: supermarket, online store, hotel) when leaving.

(baseball) A swing in which a batter starts to swing for a ball but stops the swing shortly before the ball reaches home plate.

(intransitive, Canada, US) To look backwards over one's shoulder while driving or biking, before changing lanes or making a turn, to see if any vehicles are in one's blind spots.