Meaning of METAL in English
met ‧ al S2 W2 /ˈmetl/ BrE AmE noun [uncountable and countable]
[ Date: 1200-1300 ; Language: Old French ; Origin: Latin metallum 'mine, metal' , from Greek metallon ]
a hard, usually shiny substance such as iron, gold, or steel ⇨ metallic :
The gate is made of metal.
a small black metal box
They traded in gold and other precious metals (=valuable metals used especially for making jewellery) .
The old trucks were sold as scrap metal (=old metal that is melted and used again) .
⇨ ↑ heavy metal
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012