English noun: alveolus | |||
1. | alveolus (body) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways | ||
Synonyms | air cell, air sac | ||
Broader (hypernym) | sac | ||
Part meronym | lung | ||
2. | alveolus (body) a bony socket in the alveolar ridge that holds a tooth | ||
Synonyms | tooth socket | ||
Broader (hypernym) | socket | ||
Part meronym | alveolar process, alveolar ridge, gum ridge | ||