Examples from the Web for envelopment
Never attempt the envelopment of both flanks unless you greatly outnumber your enemy.The Plattsburg Manual|O.O. Ellis and E.B. Garey
He had adopted the well-known African method of envelopment—the crescent, with the horns well forward.The Witch Doctor and other Rhodesian Studies|Frank Worthington
An envelopment of both flanks should never be attempted without a very decided superiority in numbers.
The advantage of envelopment lies in the longer concentric line, with its preponderance of rifles and its converging fire.
Nothing but the news of the armistice of Leoben saved him from envelopment and surrender.