reservation

1. (often in the plural) A limiting qualification regarding certainty or risk; a doubt or concern.Examples: "I have reservations about your intentions."; "I have some reservations about cosigning a loan for him."; "Apart from the problemette with the punchy bits, I've got only one reservation with the game and that's that the tie-in element is a bit shaky to say the least."countablein-pluraloftenuncountable

2. (US) A tract of land set apart by the US government for the use of a Native American people, such as the Hopi Reservation or the Navajo Nation's territory.Synonyms: reserve, ;, res, rez, rezzy, reserve, res, rezUScountableuncountable

3. (UK) The area which separates opposing lanes of traffic on a divided motorway or dual carriageway.Examples: "A vehicle crashed through the central reservation into the path of oncoming traffic."; "A three-lane motorway can be up to (or even more than) 35 metres wide, with a hard shoulder on either side and a central reservation."Synonyms: central reservation, median, median strip, median, median stripUKcountableuncountable

4. (India) The setting aside of a certain percentage of vacancies in government institutions for members of backward and underrepresented communities (defined primarily by caste and tribe).Indiacountableuncountable

5. (law, politics) A power of an overseeing authority to suspend legislation in the jurisdiction being overseen pending the approval of a higher authority. Such as a provincial/state governor reserving a bill passed by the state/provincial legislature from assent, pending approval of the federal government; or a federal bill passed by federal parliament being reserved by the viceroy pending approval by the crown.countableuncountable