'Snatch block' definitions:
Definition of 'snatch block'
From: WordNet
noun
A pulley-block that can be opened to receive the bight of a rope
Definition of 'Snatch block'
From: GCIDE
- Snatch block \Snatch block\ (Naut.), a kind of block with an opening in one side to receive the bight of a rope. [1913 Webster]