'Jury mast' definitions:
Definition of 'jury mast'
From: WordNet
noun
A temporary mast to replace one that has broken off
Definition of 'Jury mast'
From: GCIDE
- Jury mast \Ju"ry mast\ (a) A temporary mast, in place of one that has been carried away, or broken. (b) (Med.) An apparatus to support the trunk and head in spinal disease. [Webster 1913 Suppl.]