metal-n; 4 Senses

Sense Number 1: member of a family of ductile chemical substances, either element or alloy

Commentary: METAL[+substance][+chemical][+family][+ductile][+member][+element/+alloy]

He trades in precious metals such as gold and platinum.
Brass is an alloy mostly composed of the metals copper and zinc.
Lithium and sodium are examples of alkali metals.
The mechanic inspected the plane's wings for signs of metal fatigue.
It's a sheet metal manufacturer.
Bob's cousin has a metal plate in his skull.

WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: molten glass not yet blown or poured

Commentary: METAL[+substance][+glass][+molten][-blown/-poured]

The glassblower removed the metal carefully from the oven on a long-handled tool.
The metal in a glassblowing shop is hot enough to sear you with third degree burns.

WordNet 0.0 Sense Numbers: 3

Sense Number 3: broken up rocks used for roads

Commentary: METAL[+substance][+rock][+broken][+road]
NOTE: British usage

The laborers carried the road metal in wheelbarrows.
These trucks carrying metal are going to repair a village road.

WordNet 0.0 Sense Numbers: 3

Sense Number 4: a style of rock music

Commentary: METAL[+quality][+style][+music][+rock]

Pete listens mostly to heavy metal.
We heard some metal bands at a club in Berlin.
Mary is definitely not into metal, she likes folk music.

WordNet 0.0 Sense Numbers: 4