/ ˈsɜːmən; NAmE ˈsɜːrmən/ noun
1.
a talk on a moral or religious subject, usually given by a religious leader during a service
➡ note at speech
2.
( informal , usually disapproving ) moral advice that a person tries to give you in a long talk
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WORD ORIGIN
Middle English (also in the sense speech, discourse ): from Old French , from Latin sermo(n-) discourse, talk.