#1 check out v. examine so as to determine accuracy, quality, or condition; "check the brakes"; "Check out the engine". wn
#2 check out v. announce one's departure from a hotel. wn
#3 check out v. be verified or confirmed; pass inspection; "These stories don't check!". wn
#4 check out v. trace; "We are running down a few tips". wn
#5 check out v. record, add up, and receive payment for items purchased; "She was checking out the apples that the customer had put on the conveyer belt". wn
vizzz