Entry 5 senses · 2 variants Webster, 1913 Solar /sōl'-ẽr/ · So·lar · IPA /ˈsoʊ.ləɹ/ n. a. 01 n. A loft or upper chamber; a garret room. 1. A loft or upper chamber; a garret room.[Obs.] 02 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. 1. Of or pertaining to the sun; proceeding from the sun; as, the solar system; solar light; solar rays; solar influence. See Solar system, below. 2. Born under the predominant influence of the sun.(Astrol.) [Obs.] “And proud beside, as solar people are.” — Dryden. 3. Measured by the progress or revolution of the sun in the ecliptic; as, the solar year. 4. Produced by the action of the sun, or peculiarly affected by its influence. “They denominate some herbs solar, and some lunar.” — Bacon.