Sermon (7)
'sermon' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for lesson that I've seen before include "Instructive experience" , "Teaching unit" , "Portion of the scriptures read in church" , "Portion of instruction" , "Unit of instruction" .)
'sermon' is the definition.
(homily is a kind of sermon)
This is all the clue.
(Other definitions for homily that I've seen before include "Edifying discourse" , "Moralising lecture" , "Sermon on a moral issue" , "Lecture on a moral topic" , "Address" .)
'sermon' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lecture that I've seen before include "Discourse for students" , "Formal talk on a subject" , "Instruct - admonish" , "Teaching discourse" , "Lengthy reprimand" .)