vanguard

[ van-gahrd ]
/ ˈvænˌgɑrd /

noun

the foremost division or the front part of an army; advance guard; van.
the forefront in any movement, field, activity, or the like.
the leaders of any intellectual or political movement.
(initial capital letter) Rocketry. a U.S. three-stage, satellite-launching rocket, the first two stages powered by liquid-propellant engines and the third by a solid-propellant engine.

RELATED WORDS

Origin of vanguard

1480–90; earlier van(d)gard(e) < Middle French avangarde, variant of avant-garde; see avaunt, guard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for vanguard

vanguard

/ (ˈvænˌɡɑːd) /

noun

the leading division or units of a military force
the leading position in any movement or field, or the people who occupy such a positionthe vanguard of modern literature

Word Origin for vanguard

C15: from Old French avant-garde, from avant- fore- + garde guard
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012