Third-person singular simple present indicative form of scrape someone off the ceiling

plural of antrum of Highmore

(dated, anatomy) The maxillary sinus.

plural of antrum of Highmore

(law) The act of reselling a genuine product under one's own trade name rather than that of the true manufacturer.

Used to describe the response to someone who is either experiencing great pain, very frightened, or very elated.

plural of aqueduct of Sylvius

(anatomy) Synonym of cerebral aqueduct

past participle of blow off course

(transitive, figuratively, often in the passive) To affect negatively, often in an unexpected manner; to derail.