heavy weapon

Definitions of heavy weapon
1

n large but transportable armament

Synonyms:
artillery, gun, ordnance
Types:
show 8 types...
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cannon
a large artillery gun that is usually on wheels
field artillery, field gun
movable artillery (other than antiaircraft) used by armies in the field (especially for direct support of front-line troops)
four-pounder
an artillery gun that throws a shot weighing four pounds
basilisk
ancient brass cannon
culverin
a heavy cannon with a long barrel used in the 16th and 17th centuries
harpoon gun
a cannon or similar gun that fires harpoons
high-angle gun
a cannon that can be fired at a high elevation for relatively short ranges
long tom
a long swivel cannon formerly used by the navy
Type of:
armament
weaponry used by military or naval force

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