Quick answer
Mortimer is a boy name meaning "dead water, still water".
Pronunciation: American English /ˈmɔɹ.tɪ.məɹ/; British English /ˈmɔː.tɪ.mə/.
Meaning and history
From an English surname that was derived from the name of a town in Normandy, itself meaning "dead water, still water" in Old French.
Notes and context
Usage: english