Haw (cat) Published April 5, 2018 at 500 × 344 in Haw (cat) Haw (cat). The cat is Pinky. He had terrible conjunctivitis which is called ‘pink eye’. He recovered with antibiotics. The photo is by Elisa Black-Taylor. Continue reading → The haw is better known as the cat’s third eyelid or nictitating membrane. Please comment here using either Facebook or WordPress (when available).