Noun
Condition of being serrate; formation in the shape of a saw.
One of the teeth in a serrate or serrulate margin.
Source: Webster's dictionaryone of the serrations was broken off Source: Internet
the pliers had serrations to improve the grip Source: Internet
the serrations of a city skyline Source: Internet
However, the serration vein originates from lower down the central vein of the leaflet, typically opposite to the position of, not the first notch down, but the next notch. Source: Internet
As is common in serrated leaves, each serration has a central vein extending to its tip. Source: Internet
This means that on its way from the midrib of the leaflet to the point of the serration, the vein serving the tip of the serration passes close by the intervening notch. Source: Internet