bracket-trailn. in Gunnery, a trail composed of two or more timbers or irons, opposed to block trail.
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society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > gun carriage > [noun] > trail
train1702
trail1768
bracket-trail1865
1865 C. H. OwenElem. Lect. Artillery (ed. 4) 62 The travelling carriages for siege guns had bracket trails, but those now made..are similar in construction to the 40-pr. block trail carriage.