al·​ve·​o·​la | \alˈvēələ\
plural alveolae\ -​ˌlē, -​ˌlī \

Definition of alveola 

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

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First Known Use of alveola

1802, in the meaning defined at sense 2

History and Etymology for alveola

New Latin, alteration of Latin alveolus small cavity

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The first known use of alveola was in 1802

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