[ kuh-dey, -dahy ]
/ kəˈdeɪ, -ˈdaɪ /
interjection Northern U.S.
(used to summon sheep and, sometimes, cows).
Also co-dack [kuh-dak] /kəˈdæk/.
Origin of co-day
see co-boss; day apparently reduced from Dick as an animal's name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019