[f. Gr. θέρμη heat + ANTIDOTE.] An antidote to heat.
1. A rotating fan fixed in a window-opening and incased in wet tatties, used in India to drive in a current of cooled air. (Introduced in 1831.)
[It] is in fact a winnowing machine fitted to a window aperture (Yule).
1840. W. G. Osborne, Crt. & Camp Runjeet Sing, 132. The thermometer at 112 all day in our tents, notwithstanding tatties, thermantidotes, and every possible invention to lessen the stifling heat.
1898. P. Manson, Trop. Diseases, xii. 214. Rooms should be kept dark during the day, and cooled by means of punkahs, thermantidotes, tatties.
2. Med. A cooling medicine. rare0.
1860. Mayne, Expos. Lex., Thermantidotum, term for a medicine : a thermantidote.
1890. Billings, Med. Dict., Thermantidote, a remedy against excessive heat or fever.