Arethusa means "the waterer".
Arethusa occasionally appeared on coins as a young girl with a net in her hair and fish around her head. --Qwertzy2 09:59, 29 September 2005 (UTC)
Arethusa also appears in the title of The Decemberists song "Shanty for the Arethusa", the first track of their 2003 album titled "Her Majesty The Decemberists".