1. (noun)enlistment, hitch, term of enlistment, tour of duty, duty tour, tour a period of time spent in militaryservice
2. (noun)arrest, check, halt, hitch, stay, stop, stoppage the state of inactivityfollowing an interruption "the negotiations were in arrest"; "held them in check"; "during the halt he got some lunch"; "the momentary stay enabled him to escape the blow"; "he spent the entire stop in his seat"
3. (noun)hang-up, hitch, rub, snag an unforeseen obstacle