The definition of a mortician is an undertaker - a person whose job it is to host funerals for the dead.(noun)
A man who you go to see when your loved one dies who will pick up the body, make up the body, put the body in a casket and host a funeral is an example of a mortician.
See mortician in Webster's New World College Dictionary
Origin: < L mors, death (see mortal) + -ician
See mortician in American Heritage Dictionary 4
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