1. A tropical fever formerly common among sailors, characterized by delirium in which the sea was mistaken for green fields
   "In his calenture, the sailor attempted to jump overboard onto what he thought was a meadow"

1. (rare) To become delirious, especially as if affected by calenture (a tropical fever that caused hallucinations in sailors)
   "The stranded explorers began to calenture in the scorching desert heat"

Derived forms: calenturing, calentured, calentures

Encyclopedia: Calenture