Definition of solar

• a. - A loft or upper chamber; a garret room.
• 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. - 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. - Produced by the action of the sun, or peculiarly affected by its influence.