Definition of "Reading" :

noun: the act of measuring with meters or similar instruments

"He has a job meter reading for the gas company."

noun: the cognitive process of understanding a written linguistic message

"His main reading was detective stories."

noun: a datum about some physical state that is presented to a user by a meter or similar instrument

"He could not believe the meter reading."

noun: a mental representation of the meaning or significance of something

noun: written material intended to be read

"The teacher assigned new readings."

noun: a particular interpretation or performance

"On that reading it was an insult."

noun: a public instance of reciting or repeating (from memory) something prepared in advance

noun: a city on the River Thames in Berkshire in southern England