Com-pāct'1, a.
a. [Lat. compactus, p. p. of compingere, from com and pangere, pactum, to fasten, fix.]
Sense 1. Closely and firmly united, as the particles of solid bodies; firm; close; solid; dense. “Glass, crystal, gems, and other compact bodies.” Newton.
Sense 2. Composed or made of. [Obs.]
A wandering fire, Compact of unctuous vapor. Milton.
Sense 3. Joined or held together. [Obs.]
A pipe of seven reeds, compact with wax together. Peacham.
Sense 4. Brief; close; pithy; not diffuse; not verbose; as, a compact discourse.
Synonyms—Firm; close; solid; dense; brief; pithy; sententious.