(geology) An inclusion in an igneous rock / (botany) A lipid droplet, covered by sporopollenin, in the anthers of some plants

plural of orbicularis

(anatomy) A muscle surrounding an opening.

(obsolete) The state of being orbate, or deprived of parents or children; privation, in general; bereavement.

The quality of being orbicular.

In an orbicular fashion.

plural of orbicula

(zoology) A discina.

plural of orbital cavity

spherical; orbicular; circular