Dilating: The widening and opening of an opening, such as the cervix or esophagus. For example, the amount of widening can be described in terms of the number of fingers that could fit in the cervical opening, or it is described in centimeters. SLIDESHOW 16 Early Signs & Symptoms of Pregnancy: Could You Be Pregnant? See Slideshow From Pregnancy and Parenting Resources Ovulation CalculatorPregnancy Week by Week Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19