To bend or curve; wind in and out.
Having a wavy indented margin, as a leaf.
Having an indented, wavy margin, as some leaves.
To bend or wind in and out; be sinuous or wavy.
(mycology, of gills) Roughly the same height for most of its length, becoming much shallower and then curving back towards the stem before reaching the attachment point.
In this group of mushrooms, the attachment of the gills to the stipe is sinuate.