Relieving tackle

(Naut.) A temporary tackle attached to the tiller of a vessel during gales or an action, in case of accident to the tiller ropes
A strong tackle from a wharf to a careened vessel, to prevent her from going over entirely, and to assist in righting her.
- Totten.

See also: Relieving, Relieving

References in classic literature ?
The first lieutenant he cun’d the ship himself, and there was four quarter masters at the wheel, besides the master with six forecastle men in the gun-room at the relieving tackles.