"Pyloric" refers to something that is related to or located in the pylorus. The pylorus is a part of the digestive system, specifically the lower part of the stomach that connects it to the small intestine. Full definition
Early 1994 surgery vagotomy, partial gastrectomy with pyloric valve removal. (nutritionfacts.org)
The symptoms of pyloric stenosis generally appear between two and eight weeks with frequent spitting up, or projectile vomiting. (breastfeedingtoday-llli.org)
If this forceful spit - up (vomiting) occurs frequently after feeding, your baby's pediatrician will want to rule out a condition known as pyloric stenosis. (confessionsofadrmom.com)