also: ままちち
Refers to a stepfather, i.e., the husband of one's mother who is not one's biological father. The reading けいふ is standard; ままちち is a less common alternative reading.
See also: 実父
He is my stepfather.
I live with my stepfather.
step-parents
Standard kanji spelling for 'stepfather'.
継 (kei, 'step-') + 父 (fu, 'father'). The reading ままちち uses the native prefix まま (step-) and ちち (father).