What does "Solar" mean?
(a.) A loft or upper chamber; a garret room (a.) Born under the predominant influence of the sun (a.) Measured by the progress or revolution of the sun in the ecliptic; as, the solar year (a.) Of or pertaining to the sun; proceeding from the sun; as, the solar system; solar light; solar rays; solar influence. See Solar system, below (a.) Produced by the action of the sun, or peculiarly affected by its influence
Example: "Solar eclipse"