caul

noun8

1. •
   A membrane.
2. •
   The thin membrane which covers the lower intestines; the omentum.
3. •
   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).

   • I was born with a caul, which was advertised for sale, in the newspapers, at the low price of fifteen guineas. — 1849
4. •
   Caul fat.
5. •
   The surface of a press that makes contact with panel product, especially a removable plate or sheet.
6. •
   A strip or block of wood used to distribute or direct clamping force.
7. •
   (historical) A style of close-fitting circular cap worn by women in the sixteenth century and later, often made of linen.

   • Ne spared they to strip her naked all. / Then when they had despoild her tire and call, / Such as she was, their eyes might her behold […] — 1590
8. •
   (UK, historical) An entry to a mill lead taken from a burn or stream (a mill lead (or mill waterway) is generally smaller than a canal but moves a large volume of water).