sap roller
Noun
Meaning
sap roller (plural sap rollers)
(dated, military) A large gabion, six or seven feet long, filled with fascines, which the sapper sometimes rolls along before him for protection from the fire of an enemy.
Noun
sap roller (plural sap rollers)
(dated, military) A large gabion, six or seven feet long, filled with fascines, which the sapper sometimes rolls along before him for protection from the fire of an enemy.