map firen.Military artillery fire in which maps are used to determine the setting of the guns.
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society > armed hostility > military equipment > operation and use of weapons > action of propelling missile > discharge of firearms > management of artillery > [noun] > types of firing
reverse fire1758
vertical fire1852
broadsiding1858
map fire1922
1922 Encycl. Brit. XXX. 252/2 The precision with which ‘map fire’ could be carried out.