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Definition of Costain gun
1. Noun. (nautical) A gun that fired a small rocket with a line attached; used to rig a breeches buoy ¹
¹ Source: wiktionary.com
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1. Noun. (nautical) A gun that fired a small rocket with a line attached; used to rig a breeches buoy ¹
¹ Source: wiktionary.com