3
sinus(noun, cavity)
2
cavity(noun, pocket)
2
depression(noun, pocket, cavity)
2
hollow(noun, pocket, cavity)
2
pocket(noun, cavity)
1
alveolus
1
basin
1
bowl
1
concavity
1
crater
1
crypt
1
cup
1
dimple
1
dip
1
fold
1
follicle
1
hole
1
lacuna
1
pit
1
punch bowl
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APASmart Define. (2015). antrum thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/antrum/thesaurus/synonyms
ChicagoSmart Define. 2015. "antrum thesaurus" https://smartdefine.org/antrum/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, antrum thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/antrum/thesaurus/synonyms>.
MLASmart Define. "antrum thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/antrum/thesaurus/synonyms>