What is Mora?

Legal Definition
Sax. A moor; barren or unprofitable ground; marsh; a heath; a watery bag or moor. Co. Litt. 5; Fleta, 12, e. 71. See Mora mussa.
-- Black's Law Dictionary
Legal Definition
Estates. A moor, barren or unprofitable ground; marsh; a heath. 1 Inst. 5; Fleta, lib. 2, c. 71.
-- Bouviers Law Dictionary
Legal Definition
Lat In the civil law. Delay; default; neglect; culpable delay or default Calvin.
-- Black's Law Dictionary
Legal Definition
Delay.
-- Ballentine's Law Dictionary