Mam/mæm/ Definition 1 of 2Pro Tip 1/3Regional Flavor Used mainly in Northern England, giving it a regional touch. I miss you, mam. Pro Tip 2/3Casual Tone Conveys a casual and familiar tone usually among family. What's for dinner tonight, mam? Pro Tip 3/3Intimate Bond Implies a close relationship when addressing one's mother. Do you need help, mam?