More on Jury Mast from Infoplease:

• Jury Mast - Jury Mast A corruption of joury mast —i.e. a mast for the day, a temporary mast, being a spar ...
• jury: meaning and definitions - jury: Definition and Pronunciation
• Jerry-built - Jerry-built unsubstantial. A “jerry-builder” is a speculative builder who runs up ...
• September 5, 1804 - The Journals of Lewis and Clarkby Meriwether Lewis and William Clark September 4, 1804 September 6, ...
• Jury Leg - Jury Leg (A). A wooden leg, or leg for the nonce. (See Jury Mast.) “I took the leg off with ...