Found 2 items, similar to backup.
English → English (WordNet) Definition: backup backup n 1: an accumulation caused by clogging or a stoppage; “a traffic backup on the main street”; “he discovered a backup in the toilet” 2: someone who takes the place of another (as when things get dangerous or difficult); “the star had a stand-in for dangerous scenes”; “we need extra employees for summer fill-ins” [syn: stand-in, substitute, relief, reliever, backup man, fill-in] 3: a subordinate musical part; provides background for more important parts [syn: accompaniment, musical accompaniment , support] 4: (computer science) a copy of a file or directory on a separate storage device; “he made a backup in case the original was accidentally damaged or erased” [syn: computer backup ] 5: the act of providing approval and support; “his vigorous backing of the conservatives got him in trouble with progressives” [syn: backing, championship, patronage]
English → English (gcide) Definition: backup backup \back"up\, n. 1. anything kept in reserve to serve as a substitute in case of failure or unavailability of the normal or primary object; -- used for devices, plans, people, etc. Also used attributively; as, there was no backup for the electrical supply; a backup motor; a backup generator. [PJC] 2. (Music) a musician or group of musicians accompanying a soloist, whether vocalists or instrumentalists. Syn: accompaniment. [PJC] 3. a person or group of persons serving as reinforcement for another or others; as, the policeman called for backup when he was fired on. [PJC] 4. an accumulation, overflow, or reverse flow (in traffic or a liquid flow system) caused by a stoppage or other malfunction. [PJC] 5. (Computers) A copy of a program or data from a computer onto a data-storage medium, usually one that may be removed to safe storage at a distance from the computer; it is used to preserve data for use in the contingency that the original data on the computer may be lost or become unusable. A backup that is removed from the building housing the computer system (to provide protection against loss of data in a disastrous event such as a fire) is called off-site backup. Also used attributively; as, backup copy. [PJC] 6. (Computers) The act or process of creating a backup[5]; as, they performed a full system backup every weekend. [PJC]