vanguard
//ˈvænˌɡɑːrd//
Noun
vanguardSingular
vanguardsPlural
1
The foremost part of an advancing army or naval force.
The vanguard of the army advanced cautiously through the valley.
2
A group of people leading the way in new developments or ideas; the forefront of a movement or field.
The company is at the vanguard of renewable energy technology.
3
A position at the forefront of new developments or ideas.
The company is at the vanguard of renewable energy technology.