A Quick and Simple Dictionary

caul

1. Noun.  (historic) A style of close-fitting circular cap worn by women in the 16th century and later, often made of linen. (defdate, from 14th c.) .
2. Noun.  (context, anatomy) A membrane. (defdate, 14th-17th c.) .
3. Noun.  The thin membrane which covers the lower intestines; the omentum. (defdate, from 14th c.) .
4. Noun.  The amnion which encloses the foetus before birth, especially that part of it which sometimes shrouds a baby’s head at birth (traditionally considered to be good luck). (defdate, from 16th c.) .
5. Noun.  The surface of a press that makes contact with panel product, especially a removable plate or sheet.