Noun, pl. omenta or omentums
1. A fold of peritoneum supporting the viscera. (wordnetweb.princeton.edu)
2. Either of two folds of the peritoneum that support the viscera. (wiktionary.org)
3. A fold of peritoneum connecting or supporting abdominal structures (as the stomach and liver). (merriam-webster.com)
Word origin: Latin word for “apron.”