Keeping a record or a register; as, a recording secretary; -- applied to numerous instruments with an automatic appliance which makes a record of their action; as, a recording gauge or telegraph.(adjective)
source: webster1913
noun (n)
a signal that encodes something (e.g., picture or sound) that has been recorded(noun.artifact)
source: wordnet30
the act of making a record (especially an audio record)(noun.act)
Example: She watched the recording from a sound-proof booth.