Synonyms|17Antonyms|0|Broader|1Narrower|0Related|12
5
lid(noun, covering)
4
cover
3
cap
3
top
2
door(noun, covering)
1
bulkhead
1
covercle
1
opercula
1
stopper
0
bonnet
0
chapeau
0
eyelid
0
hat
0
hood
0
plate
0
shell
0
valve
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APASmart Define. (2015). operculum thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/operculum/thesaurus/synonyms
ChicagoSmart Define. 2015. "operculum thesaurus" https://smartdefine.org/operculum/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, operculum thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/operculum/thesaurus/synonyms>.
MLASmart Define. "operculum thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/operculum/thesaurus/synonyms>