Gayle, to Oprah

• Arm candy, in tabloid headlines
• Whom a guy might hang with when he's not with the guys
• Bachelorette party attendee
• Certain close one
• Tabloid's gossipy identifier, maybe
• Rhyming buddy
• Certain platonic friend
• Ladies' night attendee

Wiktionary Word definitions in Wiktionary
n. (context slang English) A female friend or girlfriend.