Definitions:
the action or process of moving through or past somewhere on the way from one place to another

a narrow way allowing access between buildings or to different rooms within a building; a passageway

the process of transition from one state to another

a short extract from a book or other printed material

the propagation of microorganisms or cells in a series of host organisms or culture media, so as to maintain them or modify their virulence

subject (a strain of microorganisms or cells) to a passage

a movement performed in advanced dressage and classical riding, in which the horse executes a slow elevated trot, giving the impression of dancing.