1. a strong, hard metal made from iron and carbon

1. to make oneself mentally prepared for something difficult or unpleasant

1. made of steel

Examples

• The bridge is made of steel and concrete.
• Steel is stronger than iron.
• She steeled herself for the bad news.
• He steeled his nerves before the presentation.
• The steel beams support the building.
• Workers use steel tools in construction.
• The steel door was difficult to break down.