Un"da*ted (?), a. [L. undatus, p. p. of undare to rise in waves, to wave, to undulate, fr. unda a wave. See Undulate.] Bot.
Rising and falling in waves toward the margin, as a leaf; waved.
© Webster 1913.
Un*dat"ed (?), a. [Pref. un- + dated.]
Not dated; having no date; of unknown age; as, an undated letter.
© Webster 1913.