U / undātim
adverb

undātim

in a waving manner; like waves
in a waving manner, like waves: mensae undatim crispae, Plin. 13, 15, 30, § 96: crispum marmor, id. 36, 7, 11, § 55.—
In a throng
In a throng, Amm. 21, 3, 2.