Definition of "latency"

Concealment; the state of being latent; the state of being hidden.  examples

Dormancy; the state of being inactive.  examples

(electronics) A delay, an interval between the initiation of something and the occurrence.  examples

(medicine) The delay between a stimulus and the response it triggers in an organism.  examples

A stage in Sigmund Freud's psychoanalytic theory of the psychosexual development of children where children become asexual until their sexual desires come back at puberty.  examples