What does the word sweat mean?

Usage examples for sweat

  1. His limbs trembled, his breathing was agony, sweat stood out upon his forehead. – The Mad Planet by Murray Leinster
  2. Sweat came coldly forth upon his forehead. – Kenny by Leona Dalrymple
  3. They wiped sweat from their faces and glanced at each other. – Operation Lorelie by William P. Salton