1. individual things or people regarded as separate and complete
2. standard quantities used for measurement
3. separate sections or parts of a larger whole

Examples

• The apartment building has twelve units.
• We need to convert these measurements to metric units.
• The textbook is divided into six units.
• The army deployed three units to the border.
• Each unit of the course covers different topics.
• The storage units are rented monthly.
• Temperature is measured in units called degrees.