Definitions

1. noun

a man whose business or occupation is connected with oil, especially one who owns or operates an oil well or refinery.

“He was a successful oilman who made his fortune in the oil industry.”

2. noun

a person who extracts or transports oil, especially from an oil well.

“The oilman was responsible for drilling and extracting the oil from the well.”

3. noun

a person who supplies or sells oil, especially as a business.

“The oilman had a vast network of suppliers and customers across the country.”