n. a medieval Scandinavian nobleman, especially in Norway and Denmark
the GNU version of the Collaborative International Dictionary of English
n. A chief; an earl; in English history, one of the leaders in the Danish and Norse invasions.
The Century Dictionary and Cyclopedia
n. In Scandinavian history: A man of noble birth; a nobleman.
n. A chief; as a title, an earl; a count. The name was used both as a family title and as an official designation. In Iceland, practically a republican commonwealth, it never took root.
Word Usage
"And south I went, when the ice passed out of the fjord, in jarl"