sheet anchorsheet anchor
- Historical the heaviest anchor on a sailing ship, located amidships and used in emergencies
- a person or thing to be relied upon in danger
Origin of sheet anchorMiddle English shute anker ; from uncertain or unknown; perhaps schuten, to shoot + anker, anchor: reason for name uncertain
- Nautical A large extra anchor intended for use in an emergency.
- A source of aid in time of emergency or danger.
(plural sheet anchors)