49 entries under noun topic. ×

2
basin(space, hole, hollow, pocket)
2
crater(space, hole, hollow, pocket)
2
dimple
2
dint
2
indentation
2
intaglio
2
socket(space, hole, hollow, pocket)
1
arch
1
bay
1
cavern
1
channel
1
crescent
1
curvature
1
horseshoe
1
meniscus
1
pus
1
spiral
0
ampulla
0
bursa(space, hole, hollow, pocket)
0
caries(space, hole, hollow, pocket)
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APASmart Define. (2015). sinus thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sinus/thesaurus/synonyms
ChicagoSmart Define. 2015. "sinus thesaurus" https://smartdefine.org/sinus/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, sinus thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sinus/thesaurus/synonyms>.
MLASmart Define. "sinus thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/sinus/thesaurus/synonyms>