1A rope, bar, or batten placed along a ship's yard to bend the head of a square sail to.
〔航海〕船帆支索，桅桁支索
Example sentencesExamples
They conducted a comprehensive tour of the warship before observing the process of a light jackstay conducted with ANZAC.
During a stores transfer the jackstay supports a ‘traveller’, a travelling hoist to which loads of up to 2t may be coupled.
Fuel transfer is accomplished by suspending a hose from a tensioned cable, the jackstay, which runs from RFA Fort Victoria to the receiving warship.
All participating personnel were transferred to/from their respective ships, via light jackstay, RHIB or the Tobruk's embarked Sea King and Lynx helicopters.
1.1A line secured at both ends to serve as a support, e.g. for an awning.
支索（起支撑作用，如支撑遮阳棚）
Definition of jackstay in US English:
jackstay
nounˈjakstā
Nautical
A rope, bar, or batten placed along a ship's yard to bend the head of a square sail to.
〔航海〕船帆支索，桅桁支索
Example sentencesExamples
During a stores transfer the jackstay supports a ‘traveller’, a travelling hoist to which loads of up to 2t may be coupled.
Fuel transfer is accomplished by suspending a hose from a tensioned cable, the jackstay, which runs from RFA Fort Victoria to the receiving warship.
They conducted a comprehensive tour of the warship before observing the process of a light jackstay conducted with ANZAC.
All participating personnel were transferred to/from their respective ships, via light jackstay, RHIB or the Tobruk's embarked Sea King and Lynx helicopters.