reservation

/ˌrezəˈveɪʃən/ noun

Definition

ARRANGEMENT [C] › an arrangement that you make to have a seat on an aircraft, a room in a hotel, etc: I'd like to make a reservation for Friday evening.

DOUBT [C, U] › a doubt or a feeling that you do not agree with something completely: I still have reservations about her ability to do the job.

(Definition of reservation noun from the Cambridge Learner's Dictionary © Cambridge University Press)