alˈvēələ noun
( plural alveo·lae -ˌlē, -ˌlī)
Etymology: New Latin, alteration of Latin alveolus small cavity — more at alveolus
1. : a small depression or pit: as
a. : one of the pits in the naked receptacle of composite plants
b. : a pore of such fungi as Polyporus
c. : the pitted perithecium in certain fungi
2. : alveolus