(anatomy) Any vertical plane that divides the body into anterior and posterior (belly and back) sections.

(medicine) An occult blood clot in the nasopharynx formed after surgery or trauma that has the potential to cause fatal airway obstruction following extubation or removal of the laryngeal mask airway.

(astronomy) Cooled globs of condensed plasma that falls back onto a star's surface, after having been superheated and lofted into the corona.

A gulf that lies between Victoria Island and mainland Nunavut, Canada.

plural of coronal plane

plural of coronal suture

(astrophysics) A region in the corona of a star where magnetic field lines extend out into space, allowing solar wind to escape.

plural of coronal hole

The line of junction between the frontal bone and the two parietal bones of the skull.

(astronomy) A massive burst of solar wind, other light isotope plasma, and magnetic fields rising above the solar corona or being released into space.