undo, āvi, ātum, 1, v. n. and a. [unda].
I Neutr. , to rise in waves or surges , to throw up waves , to surge , swell (poet. and in postAug. prose).
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.—
B Transf.
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 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 , Ap. Met. 2, 7, 14.—
C Trop., to waver , fluctuate , be agitated : undans curis, Val. Fl. 5, 304: undantes spumis furialibus irae, Claud. in Ruf. 1, 76.—
II Act. (very rare), to overflow , inundate , deluge : sanguine campos, Stat. Ach. 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.
VIII —Hence, undan-ter , adv., in a waving manner , like waves : capillus undanter fluens, Ap. Met. 2, 16, 21 (al. fluenter undans): evomere talia, Mart. Cap. 2, § 138.