Turn the aerator housing counterclockwise and remove it from the faucet. Pull the O-ring off the tip of the faucet spout with your finger. The O-ring prevents leaking between the housing and the faucet. Set the O-ring in a safe place until you are ready to reinstall the housing.
After that, they are referred to as yearlings or stirks if between one and two years of age. A castrated male is called a steer in the United States; older steers are often called bullocks in other parts of the world but in North America this term refers to a young bull.
Definition of pit bull. 1  1 or pit bull terrier : a muscular, short-haired, stocky dog (such as an American pit bull terrier or American Staffordshire terrier) of any of several breeds or a hybrid with one or more of these breeds that was originally developed for fighting and is noted for strength, stamina, and tenacity.