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Webster 1913 Edition
Undulate
Un′du-late
,Verb.
T.
[
imp. & p. p.
Undulated
; p. pr. & vb. n.
Undulating
.] To cause to move backward and forward, or up and down, in undulations or waves; to cause to vibrate.
Breath vocalized, that is, vibrated and
undulated
. Holder.
Un′du-late
,Verb.
I.
To move in, or have, undulations or waves; to vibrate; to wave;
as,
. undulating
air