pericranium noun. [pɛrɪ'kreɪnɪǝm] Pl. -nia [-nɪǝ], -niums. Also (esp. in sense 2) pericrane, pericrany. LME.
[medieval Latin from Greek perikranion use as noun of perikranios round the skull, formed as PERI- + kranion skull.]
1. Anatomy. The membrane enveloping the skull; the external periosteum of the cranial bones. LME.

2. The skull; the brain, esp. as the seat of mind or thought. Chiefly joc. (now rare). L16.

[TahlilGaran] English Dictionary ▲