PERICRANIAL
Per`i*cra"ni*al, a. (Anat.)

Defn: Of or pertaining to the pericranium.

PERICRANIUM
Per`i*cra"ni*um, n. Etym: [NL.] (Anat.)

Defn: The periosteum which covers the cranium externally; the region around the cranium.

PERICULOUS
Pe*ric"u*lous, a. Etym: [L. periculosus. See Perilous.]

Defn: Dangerous; full of peril. [Obs.]

PERICULUM
Pe*ric"u*lum, n.; pl. Pericula. Etym: [L.] (Rom. & O.Eng. Law)

1. Danger; risk.

2. In a narrower, judicial sense: Accident or casus, as distinguished from dolus and culpa, and hence relieving one from the duty of performing an obligation.

PERICYSTITIS
Per`i*cys*ti"tis, n. [NL. See Peri-, and Cystitis.] (Med.)