Noun
A small sharp antipersonnel projectile, used as shrapnel, fired from a shotgun, or scattered from an aircraft.
(dated, uncountable) The game of lawn darts.
Source: en.wiktionary.orgIn the late 1950s, the Special Purpose Individual Weapon program sought to create flechette rounds to allow troops to fire sabot -type projectiles to give a short flight time and flat trajectory with a muzzle velocity of convert to convert. Source: Internet
The flechette provide greatly extended range due to their aerodynamic shape, and improved penetration of light armor. Source: Internet
While the flechette ammo had excellent armor penetration, there were doubts about their terminal effectiveness against unprotected targets. Source: Internet