Webster's Revised Unabridged Dictionary · 1913

Marshalsea

Marshalsea , noun

[Marshal + Old English se a seat. See See a seat.]

The court or seat of a marshal; hence, the prison in Southwark, belonging to the marshal of the king's household. [English]
Collocations (1)
Court of Marshalsea , a court formerly held before the steward and marshal of the king's house to administer justice between the king's domestic servants. — Blackstone