doubly serrate
Webster's Dictionary (GCIDE)
Serrate \Ser"rate\, Serrated \Ser"ra*ted\, a. [L. serratus, fr. serra a saw; perhaps akin to secare to cut, E. saw a cutting instrument. Cf. Sierra.]
1.Notched on the edge, like a saw. [1913 Webster]
2.(Bot.) Beset with teeth pointing forwards or upwards; as, serrate leaves. [1913 Webster]
Doubly serrate, having small serratures upon the large ones, as the leaves of the elm.
Serrate-ciliate, having fine hairs, like the eyelashes, on the serratures; -- said of a leaf.
Serrate-dentate, having the serratures toothed. [1913 Webster]