Sentence:  She frowned at the girl's response. "<WSD>Kay</WSD>?" she said. "That is not a name. And what of your family?"/  "Catalina," the girl amended quickly. "I am used to being <WSD>Kay</WSD> at work. My family name is Gómez - we come from Mindanao, where we had pineapple plantations […]" 
Meaning of the word marked with <WSD> tags:  A short form of Katherine and other female names beginning with a "K"; popular as a middle name.