Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to actinal.
1. The act of renouncing. 2. (Law) Formal declination to take out letters of administration, or to assume an office, privilege, or right. Syn. -- Renouncement; disownment; disavowal; disavowment; disclaimer; rejection; abjuration; recantation; denial; abandonment; relinquishment.