compactp. p. & a.[L. compactus, p. p. of compingere to join or unite; com- + pangere to fasten, fix: cf. F. compacte. See Pact.]1. Joined or held together; leagued; confederated.(Shak.)A pipe of seven reeds, compact with wax together. (Peacham.)2. Composed or made; -- with of.()A wandering fire,
Compact of unctuous vapor. (Milton.)3. Closely or firmly united, as the particles of solid bodies; firm; close; solid; dense.()Glass, crystal, gems, and other compact bodies. (Sir I. Newton.)4. Brief; close; pithy; not diffuse; not verbose; as, a compact discourse.()()v. t.1. To thrust, drive, or press closely together; to join firmly; to consolidate; to make close; -- as the parts which compose a body.()Now the bright sun compacts the precious stone. (Blackstone.)2. To unite or connect firmly, as in a system.()The whole body fitly joined together and compacted by that which every joint supplieth. (Eph. iv. 16.)n.[L. compactum, fr. compacisci, p. p. compactus, to make an agreement with; com- + pacisci to make an agreement. See Pact.] An agreement between parties; a covenant or contract.()The law of nations depends on mutual compacts, treaties, leagues, etc. (Blackstone.)Wedlock is described as the indissoluble compact. (Macaulay.)The federal constitution has been styled a compact between the States by which it was ratified. (Wharton.)()n. a disk-shaped optical data storage medium approximately 4-3/4 in. in diameter, which stores binary data as microscopic nonreflective holes or pits in an otherwise reflective surface, and is recorded and played back by rotation in an electronic device containing a laser. It is often referred to by its abbreviation CD. It is a type of optical data storage medium. Compact disks are used for recordings of music as well as of data for computer applications.()n. an electronic device containing a laser, used to read or play back the data on a compact disk. The term is usually used for the type of device used to play music recordings. That used for data storgage n coputer applications is usually called a CD drive. Called also CD player and informally, CD.()