from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A detachment of troops sent ahead of a main force to reconnoiter and provide protection.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a unit or units leading the way of advancing or marching troops, guarding them from ambushes, reconnoitering and pursuing the enemy, etc.
- n. an individual soldier in the same role.
Sorry, no etymologies found.