Sphenoid

Full definition of sphenoid

Adjective

1. Wedge-shaped.
2. (anatomy) Of or relating to the sphenoid bone.

Noun

1. (anatomy) The sphenoid bone.
2. (crystallography) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.

Derived terms

• alisphenoid
• basisphenoid
• orbitosphenoid
• presphenoid
• sphenoidal

Anagrams

• diphones
• siphoned