Definitions

1. noun

A person from or an inhabitant of Vulcan, a Roman colony in Italy.

“The archaeologists found artifacts from the ancient Vulcans in the excavation site.”

2. noun

In astronomy, a star or a celestial body associated with the Roman god of fire and the forge, Vulcan.

“The vulcan is a red dwarf star at the center of our solar system.”

3. proper noun

A fictional planet in the Star Trek universe, home to the Vulcans.

“The crew of the Enterprise was sent to the Vulcan planet to negotiate a peace treaty.”

4. noun

A type of volcano or volcanic rock, especially one formed by the eruption of lava.

“The vulcan rock was formed after the eruption of the volcano.”