Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

sŏcer (nom. socerus, Plaut. Cas. 4, 2, 18; id. Men. 5, 5, 54; with socer, id. ib. 5, 7, 56), ĕri, m. [Gr. ἑκυρός].

  1. I. A father-in-law, Plaut. Stich. 4, 1, 22; id. Trin. 5, 2, 27; Cic. Off. 1, 35, 129; id. Lael. 1, 1 and 5; Caes. B. G. 1, 12 fin.; Ov. M. 1, 145; Hor. C. 3, 11, 39; id. Ep. 1, 19, 30 al.; v. also socrus.
    Plur. soceri, parents-in-law, Verg. A. 2, 457; 10, 79; Ov. M. 3, 132.
  2. II. Transf., for consocer, a son’s father-in-law, Ter. Hec. 5, 2, 4: magnus, grandfather-in-law, i. e. one’s husband’s or wife’s grandfather, Dig. 38, 10, 4, § 6; called simply socer, ib. 50, 16, 146; cf. ib. 3, 1, 3; 23, 2, 14 fin.: socer major, a great-grandfather-in-law, Paul. Diac. p. 136, 10.