a peregrine falcon of the American subspecies Falco peregrinus anatum, noted for its especially swift flight.
Origin of duck hawk
An Americanism dating back to 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for duck hawk
Historical Examples of duck hawk
a variety of peregrine falcon, Falco peregrinus anatum, occurring in North America
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