(historical) An old English measure of volume, perhaps equal to two bushels.

plural of mett

(US, military, mnemonic) Initialism of mission, enemy, terrain, troops available, time, and civilian considerations. Used by the United States military to help commanders remember the considerations in the planning of any operation.

A quality of endurance and courage. / Good temperament and character. / (obsolete) Metal; a metallic substance.

(Scotland)

Marked by mettle or bravery; courageous.

(Buddhism) Lovingkindness or compassion, especially if developed through meditation or mindfulness.

Having mettle or high spirits; ardent.

The quality of being mettlesome.

Of or relating to Klemens von Metternich (1773–1859), politician and statesman of Rhenish extraction and one of the most important diplomats of his era, serving as the Foreign Minister of the Austrian Empire from 1809 until the liberal revolutions of 1848 forced his resignation.