The Mudcat Café TM
Thread #142079   Message #3280559
Posted By: MGM·Lion
27-Dec-11 - 11:52 AM
Thread Name: BS: Euphemistic US Usages
Subject: RE: BS: Euphemistic US Usages
"rooster
    1772, agent noun from roost (earlier roost cock, c.1600), in sense of "the roosting bird," favored in the U.S. originally as a puritan alternative to cock"

Online Etymology Dictionary

http://etymonline.com/index.php?term=rooster