calenture

/K AA0 L EH1 N CH ER0/
noun
  1. 1

    A heat stroke or fever, often suffered in the tropics.

  2. 2

    A delirium occurring from such symptoms, in which a stricken sailor pictures the sea as grassy meadows and wishes to dive overboard into them.

Source: https://en.wiktionary.org/wiki/calenture