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.

unda, ae, f. [Sanscr. root ud-, und-, to be wet; whence, uda, water; Angl. -Sax. ydhu, wave; Slav. voda, water; Gr. ὕδωρ, ὑάδες; Goth. vatō, water], a wave, billow, surge (syn. fluctus).

  1. I. Lit.: mare plenum undarum, Plaut. Mil. 2, 6, 33: unda, cum est pulsa remis, purpurascit, Cic. Fragm. ap. Non. 162, 30: via, quae fert Acherontis ad undas, Verg. A. 6, 295; Lucr. 1, 374; 1, 380; 3, 494; Hor. C. 1, 12, 32; 4, 14, 20; id. Ep. 2, 2, 176; Ov. M. 1, 570.
    Collect.: prora remissa subito navem undae adfligebat, Liv. 24, 34, 11.
    1. B. Transf.
      1. 1. In gen.
        1. a. Water, moisture (mostly poet.; cf.: aqua, lympha): (Proteus) flumen eras, interdum undis contrarius ignis, Ov. M. 8, 737: fontis in undā, id. ib. 4, 98; cf.: fons tenui perlucidus undā, id. ib. 3, 161: (Noti) canis fluit unda capillis, id. ib. 1, 266: nivales, snow-water, Mart. 14, 118, 1: ignem Pollux undamque jugalem Praetulit, fire and water, as symbols of housekeeping, Val. Fl. 8, 245, hence, faciunt justos ignis et unda viros, i. e. real, proper husbands, Ov. A. A. 2, 598.
        2. b. A fluid, liquid. manans naribus unda Sangninis, Sil. 10, 245: preli, i. e. oil, Plin. 15, 1, 2, § 5: croci, Mart. 8, 33. 4; 13, 40, 1.
          Cf the lava from Ætna, Lucil. Aet. 303.
      2. 2. Of wavelike things (poet.): aëriae, i. e. the air, Lucr. 2, 152: quā plurimus undam Fumus agit, Verg. A. 8, 257.
        Of a lion’s mane, Mart. 8, 55, 10.
      3. 3. In architecture, for the Gr. cymatium (κυματίον, a little wave), a talon, ogee, Vitr. 5, 7.
  2. II. Trop., of the wavelike agitation of a multitude, etc., a surge, billow, stream, tide, = aestus: campus atque illae undae comitiorum, Cic. Planc. 6, 15: nunc agilis fio et mersor civilibus undis, Hor. Ep. 1, 1, 16: adversis rerum immersabilis undis, id. ib. 1, 2, 22: curarum, Cat. 64, 62: bellorum, Claud. in Eutr. 2, 507: salutantūm unda, a stream, crowd, throng, Verg. G. 2, 462; so, undae Boiorum, Sil. 4, 159.

undo, āvi, ātum, 1, v. n. and a. [unda].

  1. I. Neutr., to rise in waves or surges, to throw up waves, to surge, swell (poet. and in postAug. prose).
    1. A. Lit.: undantem salum, Enn. ap. Non. 223, 24 (Trag. v. 226 Vahl.); cf.: undanti in freto, Att. ap. Cic. N. D. 2, 35, 89: solet aestus aequinoctialis … undare, Sen. Q. N. 3, 28, 6: ad caelum undabat vortex, Verg. A. 12, 673: aëna undantia flammis, id. ib. 6, 218.
    2. B. Transf.
      1. 1. To overflow with, be full of, abound in any thing, = abundare: regio Undat equis floretque viris, Val. Fl. 1, 539: vultus sanguine, Stat. Th. 1, 449: silva favis, Claud. Rapt. Pros. 3, 25: ima (aedium) viris, id. VI. Cons. Hon. 545.
      2. 2. To wave, undulate: vidimus undantem ruptis fornacibus Aetnam, Verg. G. 1, 472: undantes flammae, Sil. 9, 446: undante fumo, Sen. Troad. 19: undans buxo Cytorus, Verg. G. 2, 437: undans chlamys, Plaut. Ep. 3, 3, 55: undantes habenae, waving, flowing, hanging loosely, Verg. A. 12, 471; so, undantia lora, id. ib. 5, 146: ipsa (puella) decenter undabat, undulated, App. M. 2, p. 117, 38.
    3. C. Trop., to waver, fluctuate, be agitated: undans curis, Val. Fl. 5, 304: undantes spumis furialibus irae, Claud. in Ruf. 1, 76.
  2. II. Act. (very rare), to overflow, inundate, deluge: sanguine campos, Stat. Achill. 1, 87: sinus cruore, Claud. in Ruf. 2, 67.
    P. a.: undātus, a, um, in a wavy or wave-like form: concharum genera imbricatim undata, cancellatim reticulata, Plin. 9, 33, 52, § 103.
    Hence, undan-ter, adv., in a waving manner, like waves: capillus undanter fluens, App. M. 2, p. 122, 7 (al. fluenter undans): evomere talia, Mart. Cap. 2, § 138.