This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Any part of a weapon (typically a bomb or missile) that separates from a parent munition before or during employment

"Cluster bombs, designed with "submunition" ordnance to set off a chain-reaction of explosions, became an important part of the US conventional military arsenal in the 1960s."

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