sheet anchor

1. A large, spare anchor used in an emergency.

   Notanker, Rettungsanker

   spare anchor for use in emergency

2. (broadly)A source of help in times of danger; last resort.

   спаси́тельный я́корьspasítelʹnyj jákorʹ

3. A batsman who provides dependable defence while a series of other batsmen score rapidly.

regular

• sheet-anchoralternative