freno

noun
  1. In anatomy, 'freno' refers to a frenulum, which is a small fold of tissue that secures or restricts the motion of a mobile organ in the body. noun
    The dentist examined the freno under the patient's tongue to ensure it was not causing any speech issues.
    A short freno can sometimes cause difficulties in breastfeeding for infants.
  2. In a more general context, 'freno' can refer to any kind of restraint or control mechanism. noun
    The new regulations acted as a freno on the company's rapid expansion.
    He applied the freno to his spending habits to save more money.