A solid produced by taking a particular two-dimensional curve and rotating it through 360° about an axis. The curve will sweep out a surface, and the region inside the surface defines a solid.

shotgun cartridge with a single projectile

(geometry) The three-dimensional analog of an angle, equivalent to the area of that portion of the surface of a unit sphere that it subtends.

(drama) The act of a character speaking to themselves so as to reveal their thoughts to the audience. / (authorship) A speech or written discourse in this form.

(very rare) To issue a soliloquy.

Alternative form of solid-state

(historical) A political movement begun in the labor unions of Poland that contributed to the fall of Communism in that country.

One who solicits.

To persistently endeavor to obtain an object, or bring about an event. / To woo; to court. / To persuade or incite one to commit some act, especially illegal or sexual behavior.

(archaic) solicitation