1. an instrument for measuring the amount, level, or contents of something
2. the thickness, size, or capacity of something, especially as a standard measure
3. the distance between the rails of a railroad track
Usage: railroad terminology

1. to measure precisely
2. to estimate or judge

Examples

• The fuel gauge showed the tank was nearly empty.
• Use a 12-gauge wire for this electrical connection.
• The railroad uses standard gauge tracks.
• Scientists will gauge the temperature every hour.
• It’s difficult to gauge his true feelings about the situation.
• The pressure gauge indicated normal levels.
• She tried to gauge the crowd’s reaction to her speech.