avant-guard \a*vant"-guard`\ ([.a]*v[aum]nt"-g[aum]rd`; 277), n. [F. avant before + E. guard, F. avant-garde. See {Avaunt}.] 1. The van or advanced body of an army. See {Vanguard}. [1913 Webster] 2. Same as {avant-garde}, n.. [PJC]