A holdfast or hold fast is a means by which artillery is fixed firmly to the ground.

A concrete holdfast with a ring of 10 bolts at Landguard Fort, Felixstowe, England

One type of holdfast is a concrete base or plinth that a gun is bolted to.[1] These were used, for example, to secure coastal battery guns in pillboxes during World War II.

References

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  1. ^ "Glossary Search of terms on Take the TimeTrail". timetrail.warwickshire.gov.uk. Retrieved 2020-10-01.