a woman's lace cap with triangular flaps, characteristic of Dutch national dress
a contraceptive device for womenSee diaphragm (def. 2)
The Irritating History Of ALL CAPSHow did THIS become code for shouting in the first place? Should we decapitate caps altogether, or is there a place for it in our hearts and on our screens?
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