1. Any large dark enclosed space
   "his eyes were dark caverns" 
2. A large cave or a large chamber in a cave

1. Hollow out as if making a cavern
   - cavern out

Derived forms: caverns, caverned, caverning

See also: cavernous

Type of: cave, core out, enclosure, hollow, hollow out, natural enclosure

Encyclopedia: Cavern

• jumping seed
• jumping up and down
• jumping-off place
• jumping-off point
• jumpstart
• jumpsuit
• jumpy
• Jun.
• Juncaceae
• Juncaginaceae
• junco
• Junco hyemalis
• junction
• junction barrier
• junction rectifier
• junction transistor
• juncture
• Juncus
• Juncus articulatus
• Juncus bufonius
• Juncus effusus
• Juncus inflexus
• Juncus leseurii
• Juncus tenuis
• Jund-ul-Islam