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.

rēnes, renum (renium, Plin. 21, 29, 103, § 175; 28, 8, 27, §§ 98 and 102; Scrib. Comp. 125; 143.
Sing. rēn, not used.
Collat. form rien, Plaut. ap. Fest. p. 276 Müll.; cf. Charis. p. 24 P.; Prisc. p. 645 P.), m. [φρένες; cf. Lid. and Scott, s. v. φρήν].

  1. I. The kidneys, reins, Cels. 4, 1, 10; Plin. 11, 37, 81, § 206: renum vitia, id. 23, 7, 63, § 121; Plaut. Curc. 2, 1, 21: umores, qui ex renibus profunduntur, Cic. N. D. 2, 55, 137; id. Tusc. 2, 25, 60: renes morbo temptantur acuto, Hor. S. 2, 3, 163; id. Ep. 1, 6, 28 al.
    1. * B. The loins: accingere, Vulg. Exod. 12, 11; id. Dan. 10, 5: canis, Nemes. Cyn. 112.
  2. II. Trop. (eccl. Lat.), the seat of the affections, Vulg. Psa. 138, 12; id. Apoc. 2, 23.

rĭēn, v. renes init.