Entry 1 sense Webster, 1913 Godmother /gäd'-mŭthˌ-ẽr/ · God·moth·er · IPA /ˈɡɒdmʌðə/ 01 n. A woman who becomes sponsor for a child in baptism. See Godfather 1. A woman who becomes sponsor for a child in baptism. See Godfather See: Godfather