Usage:Check the king means the opponents king is in danger.
Usage:Dams check the flow of river water.
Usage:The police had a check of the area where the murder took place.
Usage:Soldiers are always vigilant at the borders to check the enemys advance.
Usage:He was in check after three moves itself.
Usage:He was wearing a checked shirt.
Usage:the checkout here is 12 noon
Usage:The police checked on the murder case.
Usage:The doctor checked up my sore throat.
Usage:She was checking out the apples that the customer had put on the conveyer belt