What is Check ?
Check is (noun) 1. an examination or test The police are carrying out checks on all cars. A routine check of the fire equipment. 2. US (in a restaurant) a bill I’ll ask for the check. 3. US spelling of cheque 4. US a mark on paper to show that something is correct Make a check in the box marked ‘R’. (NOTE: The British term is tick.) 5. in check under control We must keep our spending in check. 6. (in chess) a situation where your opponent has to move to protect his or her king(verb) 1. to make sure I’d better check with the office if there are any messages for me. Did you lock the door? – I’ll go and check. 2. to examine You must have your car checked every 10,000 miles. 3. US to mark with a sign to show that something is correct Check the box marked ‘R’. (NOTE: The British term is tick.) 4. to bring someone or something to a halt Bad weather checked the expedition’s progress.
source: Easier English, Student Dictionary Upper Intermediate Level