1A former French measure of capacity, varying greatly according to locality and commodity. Now historical. A dry measure used for grain, meat, salt, etc.
In recent times the values assigned to it range from about 52 to about 110 bushels (approx. 1890–4000 litres); in early use it was a much smaller measure, often stated as 4 bushels (approx. 145 litres).
2A liquid measure of widely varying capacity; a cask holding this amount.
Local varieties ranged from 60 to 160 gallons (approx. 273–727 litres).
Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From Anglo-Norman and Middle French mui measure of capacity, Middle French, French muid from classical Latin modius.
A dry measure of capacity approximately equal to three bushels (109 litres), used chiefly for grain.
Late 18th century. From South African Dutch muid (Afrikaans muid) from French muid.