The quality or state of being an author; the function or dignity of an author. / The source; origin; origination

(dated) A female author.

An organisation charged by the governing body of a country or region with the provision of postal services within that region.

(aviation) The degree of control that the ailerons can exert over the rolling motion of an aircraft; related to aileron design and airspeed.

(aviation) The degree of control that the elevators can exert over the pitching motion of an aircraft; related to elevator design and airspeed.

(aviation) The degree of control that the rudder can exert over the yawing motion of an aircraft; related to rudder design and airspeed.

past participle of authenticate

plural of authentication

Third-person singular simple present indicative form of authenticate

present participle of authenticate