Rectal/ˈrektəl/ Definition 1 of 1Pro Tip 1/3Medical Context Used primarily in medical settings to discuss conditions or procedures involving the rectum. The rectal tumor was benign, fortunately. Pro Tip 2/3Sensitive Topic Can refer to private or sensitive health issues, so be mindful when discussing. She felt embarrassed discussing her rectal discomfort with the doctor. Pro Tip 3/3Technical Term It's a technical term; use it with people who understand medical vocabulary. The nurse recorded the patient's rectal temperature accurately.