| n. | 1. | One who breathes. |
| 2. | That which puts one out of breath, as violent exercise. | |
| 3. | a pause to catch one's breath, or for some other form of rest or refreshment; - often used in the phrase | |
| 4. | a vent in a container to allow equalization of internal and external pressure. | |
| 5. | an air intake pipe to provide air to machinery or people submerged or otherwise sealed off from the outside. |
| Noun | 1. | breather - a short respite |
| 2. | breather - air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time |