Head noun: operculum
| Same concepts |
|---|
| http://dbpedia.org/resource/Operculum |
Broader concepts
| label | provenance | confidence |
|---|---|---|
| trap door | isap:147350391 | 0.211470 |
| structure | isap:351198812 | 0.167520 |
| lid | isap:486651516 | 0.084594 |
Narrower concepts
| label | provenance | confidence |
|---|