SOLID
Sol"id, a. Etym: [L. solidus, probably akin to sollus whole, entire,
Gr. solide. Cf. Consolidate,Soda, Solder, Soldier, Solemn.]
1. Having the constituent parts so compact, or so firmly adhering, as to resist the impression or penetration of other bodies; having a fixed form; hard; firm; compact; — opposed to fluid and liquid or to plastic, like clay, or to incompact, like sand.
2. Not hollow; full of matter; as, a solid globe or cone, as distinguished from a Ant: hollow one; not spongy; dense; hence, sometimes, heavy.
3. (Arith.)
Defn: Having all the geometrical dimensions; cubic; as, a solid foot contains 1,728 solid inches.
Note: In this sense, cubics now generally used.
4. Firm; compact; strong; stable; unyielding; as, a solid pier; a solid pile; a solid wall.
5. Applied to a compound word whose parts are closely united and form an unbroken word; — opposed to hyphened.
6. Fig.: Worthy of credit, trust, or esteem; substantial, as opposed to frivolous or fallacious; weighty; firm; strong; valid; just; genuine. The solid purpose of a sincere and virtuous answer. Milton. These, wanting wit, affect gravity, and go by the name of solid men. Dryden. The genius of the Italians wrought by solid toil what the myth-making imagination of the Germans had projected in a poem. J. A. Symonds.
7. Sound; not weakly; as, a solid constitution of body. I. Watts.