Definition of "rucksacks" [rucksacks]

• Plural form of rucksack. (noun)

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• "Wes and Robby had retrieved the rucksacks from the dead NVA that held several documents, a communist flag, medals and clothing."
• "Scientists have fitted individual cells with polymer "rucksacks" that could carry drugs or imaging agents to specific parts of the body."
• "They're probably in factory clothes, carrying rucksacks."