Sentence:  He was discharged from the hospital after a two day checkup and he and his <WSD>parents</WSD> had what Mr. McKinley described as a `` celebration lunch '' at the cafeteria on the campus . 
Meaning of the word marked with <WSD> tags:  a father or mother; one who begets or one who gives birth to or nurtures and raises a child; a relative who plays the role of guardian