sireBrE/ˈsaɪə(r)/NAmE/ˈsaɪər/verbpresent simple - I / you / we / theysireBrE/ˈsaɪə(r)/NAmE/ˈsaɪər/present simple - he / she / itsiresBrE/ˈsaɪəz/NAmE/ˈsaɪərz/past simplesiredBrE/ˈsaɪəd/NAmE/ˈsaɪərd/past participlesiredBrE/ˈsaɪəd/NAmE/ˈsaɪərd/ -ing formsiringBrE/ˈsaɪərɪŋ/NAmE/ˈsaɪərɪŋ/~sthtobethemaleparentofananimal, especiallyahorse(种马等雄性动物)生殖,繁殖~sth(old-fashioned or humorous) tobecomethefatherofachild成为父亲