long tom

noun

(usually initial capital letters)

1. a towed 155 mm field cannon produced by the United States throughout World War II.

2. a long, heavy cannon formerly carried by small naval vessels.

long tom

noun

1. a long swivel cannon formerly used in naval warfare

2. a long-range land gun

3. an army slang name for cannon

Word History and Origins

Origin of long tom¹

First recorded in 1825–35

Related Words

• howitzer 
• mortar 
• ordnance