1. the act of inspecting or verifying (Freq. 1) - they made a check of their equipment - the pilot ran through the check-out procedure • Syn: check, check-out procedure • Derivationally related forms: check out, check (for: check) • Hypernyms: inspection, review • Hyponyms: spot check 2. the latest time for vacating a hotel room - the checkout here is 12 noon • Syn: checkout time • Derivationally related forms: check out • Hypernyms: departure time, time of departure 3. a counter in a supermarket where you pay for your purchases • Syn: checkout counter • Derivationally related forms: check out • Hypernyms: counter