n.1. Expulsion of breath in speech.
2. Linguistics a. The pronunciation of a consonant with an aspirate.
b. A speech sound produced with an aspirate.
3. a. The act of breathing in; inhalation.
b. The act of drawing something, as liquid or a foreign object, into the respiratory tract when taking a breath.
4. Medicine The process of removing fluids or gases from the body with a suction device.
5. a. A strong desire for high achievement.
b. An object of such desire; an ambition.