adjective
or un·dée ˈəndā ; or on·dé ōⁿˈdā ; or on·dy ˈändē ; or un·dy ˈəndē
Etymology: Anglo-French undé & undee (feminine of undé ), from Old French unde, onde wave (from Latin unda ) + -é (from Latin -atus -ate) — more at water
: waving , wavy — used of division lines