1. The excavated part of a shell beneath the umbo; the upper shell of the oyster; a triangular lamina which extends into each lateral ventricle of the brain.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• fornic,
• fornix,
• dornix,
• cornix,
• vornix,
• gornix,
• tornix,
• rornix,
• firnix,
• fkrnix,
• flrnix,
• fprnix,
• f0rnix,
• f9rnix,
• fornis,
• fornixx,
• fobnix,
• fornyx,
• fornig,
• Fornise

• fornicate,
• fornax.

The adjective form of "fornix" is "fornical".

The plural of the "fornix" can be the "fornices".

The singular of the "fornix" can be the "fornix".