Alteration (after prec.) of SOLA sb.
1859. in K. Cornwallis, New World, I. 332. A large Stock of SOLAR HATS, suitable for Port Curtis.
1859. J. Lang, Wand. India, 183. He was dressed in a pair of large jack-boots, corduroy breeches, a shooting-coat, and a solar helmet.
1879. Mrs. A. E. James, Ind. Househ. Managem., 20. One solar topee pith hat (to be bought on landing).
Solar(e, variants of SOLLAR sb.1