- Definitions|3
- Thesaurus|194
- Abbreviations|0
9 entries under opening topic. ×
| inlet(noun, sound, box, arm) | |
| estuary(noun, sound, box, entrance) | |
| mouth(noun, arm, entrance, outlet) | |
| harbor(noun, place, sound, box) | |
| delta(noun, box, passage, entrance) | |
| embouchement(noun, box, entrance, cavity) | |
| fly trap(noun, expression, box, entrance) | |
| gills(noun, box, entrance, cavity) | |
| jaws(noun, box, entrance, cavity) |
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| APA | Smart Define. (2015). firth thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firth/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "firth thesaurus" https://smartdefine.org/firth/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, firth thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firth/thesaurus/synonyms>. |
| MLA | Smart Define. "firth thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/firth/thesaurus/synonyms> |