Definition of alveolus
plural alveoli
play
\-ˌlī, -(ˌ)lē\
1
: a small cavity or pit: such as
a
: a socket in the jaw for a tooth
b
: a small air-containing compartment of the lungs in which the bronchioles terminate and from which respiratory gases are exchanged with the pulmonary capillaries
c
: an acinus of a compound gland
d
: a cell of a honeycomb
2
: teethridge
