from
The Collaborative International Dictionary of English v.0.48
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]