1. front line - Noun
2. front line - Adjective
the line along which opposing armies face each other
Source: WordNetfront-line
Abt. 503) 'Feldherrnhalle' posing in formation for a German newsreel navbox A tank is an armoured fighting vehicle with tracks and a large tank gun that is designed for front-line combat. Source: Internet
Aerial photograph of a German gas attack on Russian forces circa 1916 Stockpiles of cylinders had to be stored at the front line, posing a great risk if hit by artillery shells. Source: Internet
Caldwell and Muller 2007, p. 46. Moreover, the front line units in the West were complaining about the poor numbers and performance of aircraft. Source: Internet
After going through testing, the products are used in hospitals, long-term care homes and other front-line facilities, and the designs are posted online for anyone to draw from. Source: Internet
All front-line police officers receive Emergency Life Support training, and BX48 was a police medic with enhanced medical training. Source: Internet
A group of Indian Prairie District 204 teens is helping kids whose parents are working on the front line of the COVID-19 pandemic finish their school year strong. Source: Internet