noun

• (historical) A monetary unit of ancient Greece and the Middle East, originally equivalent to the weight of a mina of silver.
  "What then of the actual fine of thirty minae Socrates proposes? Thirty minae was a large sum, “the equivalent of approximately eight-and-one-half years′ wages," according to one recent estimate (Brickhouse and Smith 1988, 227); enough to buy a library of three thousand philosophy books, if the price of Anaxogoras′ book is any guide (26d6-e2)."
• (historical) A unit of weight of varying value used in the ancient Middle East, especially Babylonia, Mesopotamia and Egypt; also an ancient Greek measure of weight equivalent to 1/60th of a talent, approximately 400-700 grams.
  "Thirty minas of lapis lazuli in a solid block, two minas each their rims, six kor of oil, the capacity of both."