Definition of "penetrations" [penetrations]

• Plural form of penetration. (noun)

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• "Still, its "penetrations" of the PLO — delightfully and kindly rendered in David Ignatius's novel Agents of Innocence (1987) — were essentially emissaries from Yasir Arafat to the U.S. government."
• "Air preparation can precede a variety of offensive operations such as penetrations, forcing water obstacles, amphibious and airborne or heliborne landings, and counterstrikes."
• "When Bill Casey, who led the OSS penetrations into Germany, took over the CIA in 1981, he commissioned a bronze statue of Donovan, which was placed in the foyer."