a. [f. L. æthere-us + -OUS.] Composed of, or of the nature of ether, or of the upper element of the universe.
1667. Milton, P. L., VI. 473. The bright surface Of this Ethereous mould whereon we stand.
1677. Gale, Crt. Gentiles, II. IV. 465. The Ethereous Heaven, where the Sun and Stars are.
1775. Ash, Etherious, formed of ether, celestial.
1814. J. Gilchrist, Reason, 85. Perhaps it is ethereous meat or drink of gods.
In mod. Dicts.
