siriasis

Noun

Synonyms: sunstroke insolation thermic fever

WordNet 3.0

Noun (1)

sudden prostration due to exposure to the sun or excessive heatSynonyms: sunstroke insolation thermic fever

Webster's Dictionary (GCIDE)

Siriasis \Si*ri"a*sis\, n. [L., fr. Gr. ???, fr. ??? the Dog Star, properly, scorching.] (Med.) (a) A sunstroke. (b) The act of exposing to a sun bath. [Obs.] Cf. Insolation. [1913 Webster]