1.Definition: any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)

Related Noun(s):van

Category: General

2.Definition: the leading units moving at the head of an army

Related Noun(s):van

Category: General

3.Definition: the position of greatest importance or advancement; the leading position in any movement or field

Related Noun(s):forefront

Category: General