PRAECOGNITA Præ*cog"ni*ta, n. pl. Etym: [L. praecognitus, p. p. of praecognoscere to foreknow. See Pre-, and Cognition.]
Defn: This previously known, or which should be known in order to understand something else.
PRAECOMMISSURE
Præ*com"mis*sure, n. Etym: [Pref. præ + commissure.] (Anat.)
Defn: A transverse commissure in the anterior part of the third ventricle of the brain; the anterior cerebral commissure.
PRAECORACOID
Præ*cor"a*coid, n. (Anat.)
Defn: See Precoracoid.
PRAECORDIA Præ*cor"di*a, n. Etym: [L., fr. prae before + cor, cordis, the heart.] (Anat.)
Defn: The front part of the thoracic region; the epigastrium.
PRAECORDIAL
Præ*cor"di*al, a. (Anat.)
Defn: Same as Precordial.