a. Anat. [ad. mod.L. (ossa) Wormiān-a, f. the name of the Danish physician Olaus Worm (1588–1654).] The designation of small bones of irregular shape (otherwise styled ossa triquetra), frequently found in the sutures of the skull.
1831. R. Knox, Cloquet’s Anat., 59. A wormian bone, which varies in size, and is frequently of an oval form.
1849–52. Todd’s Cycl. Anat., IV. 960/1. An interval is formed, which is afterwards filled up with Wormian ossicles.
1866. Huxley, Prehist. Rem. Caithn., 88. There is a large Wormian bone in the right crus of the lambdoid suture.
1884. J. G. Garson, in Jrnl. Anthropol. Inst., XIII. 391. The wormian bones are small in most instances.
