The Collaborative International Dictionary
Basilical
Basilic \Ba*sil"ic\, Basilical \Ba*sil"ic*al\, a. [See Basilica.]
Royal; kingly; also, basilican.
(Anat.) Pertaining to certain parts, anciently supposed to have a specially important function in the animal economy, as the middle vein of the right arm.
Wiktionary
basilical
a. basilic