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.

1. ūnĭo, ĭi, ītum, 4, v. a. [unus], to join together, unite (post-Aug. and very rare; cf. conjungo): caelum mari, Tert. Anim. 17, Sulp. Sev. Chron. 2, 43, 1: corpora, Sen. Q. N. 2, 2, 4; Dig. 39, 2, 15, § 13; App. Mag. p. 283, 30.

2. ūnĭo, ōnis, f. and m. [unus].

  1. I. Fem
    1. A. The number one, oneness, unity (eccl Lat.): decas decimā unione completur, Hier. in Amos, 2, 5, 5; Tert. Monog. 4; id Res. Carn. 2 fin.
    2. B. A unity, union (late Lat.): Maria Dei unione fecunda, Hier. Ep 22, 19; 18, 14.
  2. II. Transf., concr.
    1. A. Masc., a single large pearl (cf. margarita), Plin. 9, 35, 56, § 112; 9, 35, 59, § 122; Sen. Ben. 7, 9, 4; Mart. 8, 81, 4; 12, 49, 13.
      Fem.: Cleopatranae, Treb. XXX. Tyrann. 32 fin.
    2. B. Fem., a kind of single onion caepam, quam vocant unionem rustici. Col. 12, 10, 1.