reservereservereservesreservedreserving1verb (reserves, reserving, reserved)1to keep something for a special reason or to use later: Those seats are reserved.2to ask for a seat, table, room, etc. to be kept for you at a future timesame meaningbook: I would like to reserve a single room for tomorrow night, please.reservereservereserves2noun1something that you keep to use later: reserves of food2an area of land where the animals and plants are protected by law: a nature reserve3(sport) a person who will play in a game if another person cannot playin reservefor using later: Don't spend all the money – keep some in reserve.