operculum /ō-pûrˈkū-ləm/

1. A cover or lid (botany)
2. The plate over the entrance of a shell (zoology)
3. The gill-cover of fishes
4. A coal-hole cover in a pavement

operˈcular adjective

Belonging to the operculum

operˈculate or operˈculated adjective

Having an operculum

• theralites
• the Rand
• Therapeutae
• thunderflashes
• thunder god
• thunder gods
• thunderhead
• thunderheads
• thunderier
• thunderiest
• thundering
• Thundering Legion
• thunderingly
• thunderless
• thunderlike
• thunder-master
• thunderous
• thunderously
• thunderousness
• thunderousnesses
• thunder peal
• thunder peals
• thunder-plump
• thunder-plumps
• thunders