A decorative nail with a round, domed head, usually made of, or plated with, brass or copper, and used for fastening escutcheons, label-card holders, or other decorative surface hardware to wood surfaces.

(kayaking) The act of turning one's kayak from an upright position, laterally 360 degrees (going underwater and coming back up) while still moving forward.

The rubbing of one's nose against another's as a sign of affection.

The use of clandestine methods to acquire secret information for commercial advantage. / Spying by an employer on labor union activities of employees and on labor unions.

(cardiology) A heart rhythm that is initiated at places other than the sinus node.

(US, pathology) An abnormal change (metaplasia) in the cells of the lower end of the esophagus thought to be caused by damage from chronic acid exposure, or reflux esophagitis.

plural of escape artist

A person who is skilled at escaping from confinement, for example from prisons. / An entertainer who performs escapes from perilous situations such as cages, coffins, and straitjackets.

essentially

Alternative form of l'esprit de l'escalier