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caul

1 American  
[kawl] / kɔl /

noun

  1. a part of the amnion sometimes covering the head of a child at birth.

  2. greater omentum.

  3. a net lining in the back of a woman's cap or hat.

  4. a cap or hat of net formerly worn by women.


caul 2 American  
[kawl] / kɔl /

noun

  1. a form or plate for pressing a veneer or veneers being glued to a backing or to each other.


caul British  
/ kɔːl /

noun

  1. a portion of the amniotic sac sometimes covering a child's head at birth

  2. a large fold of peritoneum hanging from the stomach across the intestines; the large omentum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of caul1

1300–50; Middle English calle < Middle French cale, probably back formation from calotte “kind of cap”; calotte

Origin of caul2

< French cale shim < German Keil wedge