† aim-frontletn.
Military. Obsolete (historical in later use).
A piece of wood shaped to fit around the muzzle of a cannon so as to make it level with the breech, and formerly used to help with sighting.
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society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > sight > types of
dispart1578
telescopic sight1674
plain sight1686
aim-frontlet1745
hausse1787
foresight1806
gloaming sight1817
night-sight1822
bead1831
leaf1832
backsight1847
globe sight1847
pendulum hausse1850
hindsight1851
tangent scale1859
tangent1861
tangent backsight1862
training pendulum1862
training level1863
peep sight1866
dispart-sight1867
notch sight1867
buck-horn1877
orthoptic1881
aperturea1884
pinball-sighta1884
dispart patch1884
sight bar1884
flap-sight1887
barley-corn1896
ring sight1901
riflescope1902
spotting scope1904
tangent sight1908
Aldis sight1918
wind-sight1923
scope sight1934
gyro-sight1942
1745 Mil. Dict. in Introd. Art Fortification sig. b2v Aim Frontlet, An Engineer's Machine, whereby he levels and directs his cannon.
1747 J. Muller Attack & Def. Fortify'd Places i. 45 The Gunners..make use of an Aim Frontlet, which is placed upon the vent Field of the Gun.
1802 C. James New Mil. Dict. Aim-frontlet,..a piece of wood hollowed out to fit the muzzle of a gun, to make it of an equal height with the breech... It is not used at present.
1826 Brit. Indian Mil. Repos. 4 233 Aim frontlets of wood, 4 inches thick, were used, fixed on the breach of the guns.
1849 Mem. Kirkaldy of Grange xxviii. 335 All the cannon of those days were levelled, raised or depressed by means of a wedge called the aim-frontlet, hollowed to receive the muzzle under which it was placed.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online September 2019).
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