This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who brings a libel or institutes a suit in a court, especially in an ecclesiastical or an admiralty court. Also libelant.

"Except as hereinafter provided, libels for divorce shall be filed, heard and determined in the superior court held for the county where one of the parties lives, except that, if the libellant has left the county where the parties lived together and the libellee still lives therein, the libel shall be heard and determined in the court held for that county."