Dictionary
cocked' hat'
1. a man's hat, worn esp. in the 18th century, having a wide, stiff brim turned up on two or three sides toward a peaked crown. Cf.
bicorne, tricorne.
2. knock into a cocked hat, Informal.to destroy completely; render unachievable.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.