Source : Webster's Revised Unabridged Dictionary (1913)

Repand \Re*pand"\ (r?*p?nd), a. [L. repandus bent backward,
   turned up; pref. re- re- + pandus bent, crooked.] (Bot. &
   Zool.)
   Having a slightly undulating margin; -- said of leaves.

Source : WordNet®

repand
     adj : having a slightly undulating margin