breath·er 
(brēthər)
(brēthər)n.
1. One that breathes, especially in a specified manner: a shallow breather.
2. Informal A short rest period: took a breather after skiing for two hours.
3. Informal An activity, such as strenuous exercise, that causes difficult breathing.
4. A small vent allowing the passage of gas or liquid to or from an enclosed area.
- parallel bars
- parallel computing
- parallel cousin
- parallelepiped
- parallelism
- parallelogram
- parallel processing
- parallel universe
- paralog
- paralogism
- paralogist
- paralogistic
- paralogous
- paralogue
- Paralympian
- Paralympic Games
- paralyse
- paralysis
- paralysis agitans
- paralytic
- paralytically
- paralyzation
- paralyze
- paralyzer
- paralyzingly