What is to inclose; to surround of hem in with troops, so as to intercept succors of men and provisions and prevent escape; to lay siege to; as, to invest a town called?

invest — (Mil.) To inclose; to surround of hem in with troops, so as to intercept succors of men and provisions and prevent escape; to lay siege to; as, to invest a town. (Webster's 1913.)

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