[ dahy-uh-jee-sis ]
/ ˌdaɪ əˈdʒi sɪs /

noun, plural di·e·ge·ses [dahy-uh-jee-seez] /ˌdaɪ əˈdʒi siz/. (in literature, film, etc.)

the telling of a story by a narrator who summarizes events in the plot and comments on the conversations, thoughts, etc., of the characters.
the sphere or world in which these narrated events and other elements occur.

Origin of diegesis

1800–10; < Greek diēgēsis ‘a narrative’, derivative of diēgeisthai ‘to describe, narrate’ < dia- dia- + hēgeîsthai ‘to guide’

Related forms

di·e·get·ic [dahy-uh-jet-ik] /ˌdaɪ əˈdʒɛt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019