From Longman Dictionary of Contemporary Englishdaddad /dæd/  ●●● S1 W3 noun [countable]  FATHER informal father She lives with her mom and dad. Dad, will you help me?
                                                    
                                                Examples from the Corpus
dad• Dad, can I help?• You've got a mom, a dad and a couple or three kids.• Can I borrow your car, Dad?• If her mum was asking her dad then she was going.• But my dad wanted a son.• My dad retired ten years ago.• I remembered the old photo of Grandma Nell holding my five-year-old dad in that open-cockpit biplane.• Tell dad to bring your chair in here.• Talk to your mom before your dad shows up.• Was your dad angry when you got home?Origin dad (1500-1600) From a word used by very young children 
