adj. Of, pertaining to, resembling or having a dome
the GNU version of the Collaborative International Dictionary of English
adj. Relating to, or shaped like, a dome.
The Century Dictionary and Cyclopedia
Related to or shaped like a dome; characterized by the presence of a dome or domes; influenced in construction by the principles of the dome.
Word Usage
"If we attempt to make the oblique arches complete circles, as at Fig. 96, we see that they must necessarily rise higher than the cross and side arches, so that the roof would be in a succession of domical forms, as at Fig. 97."