alveola
noun
al·ve·o·la
alˈvēələ
plural alveolae
-ˌlē,
-ˌlī
1
: a small depression or pit: such 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
Word History
Etymology
New Latin, alteration of Latin alveolus small cavity
First Known Use
1802, in the meaning defined at sense 2