Definitions

1. adjective

relating to the stomach or its functions

“The gastric juices in her stomach were digesting the meal.”

2. noun

the stomach or its lining, especially as a source of cells or secretions

“The gastric tissue was studied in the lab.”

3. noun

a condition of the stomach or its lining, especially one causing nausea or vomiting

“He suffered from gastric ulcers for years.”