A calf is a young cow. A young female cow, especially one that has not yet had a calf, is called a heifer: H-E-I-F-E-R.

VOA: special.2009.07.21

R.F.Outcault drew "Hogan's Alley,"

VOA: special.2009.08.28

"F-E-A-R for Financial reform, Energy woes,Asian tensions and Recessionary concerns.

VOA: standard.2010.05.25