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American Dictionary of the English Language

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Sagittal


SAG'ITTAL, adjective [Latin sagittalis, from sagitta, an arrow; that which is thrown or driven, probably from the root of say and sing.]

Pertaining to an arrow; resembling an arrow; as sagittal bars of yellow.

In anatomy, the sagittal suture is the suture which unites the parietal bones of the skull.