from The Century Dictionary and Cyclopedia

  • n. An ossicle often found on the under surface of the spinal column at the junction of any pair of vertebræ: more fully called subvertebral wedge-bone.


Sorry, no etymologies found.


  • The nasal roof is formed by two bones situated between the eyes; the sphenoid or wedge-bone, which is connected with all other bones of the head, and the ethmoid or sieve-like bone.

    Resonance in Singing and Speaking


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