What does Arnot mean?
Arnot \a-rnot, ar-not\ as a boys' name is of Old French, English and Old German derivation, and the name Arnot means "little eagle; eagle ruler". Arnot is a variation of Arnett (Old French, English): broadcaster Peter Arnett. Arnot is also a variant of Arnold (Old French, Old German): from the phrase "arn wald".
Arnot is an unusual given name for men but a very prominent surname for both adults and children (#40761 out of 150436, Top 27%). (2000 U.S. Census)
Displayed below is an analysis of the popularity of the boy name Arnot and affiliated names. Arnoldo, Arnold, Arno, Arne and Arnaldo are the prominent alternative forms of Arnot (#unlisted) appearing in the Top 1000. These boy names were at the apex of their popularity during 1900-1909 (usage of 0.2528%) and have become much less popular since, with the versions Arnaldo, Arne and Arnold becoming less fashionable. (2014 Birth Statistics)