In bot.: Having a cirrus or tendril: specifically applied to a leaf tipped with a tendril, or, in mosses, with a very narrow or hair-like sinuous point.
Resembling tendrils, or coiling like them.
In ornithology, having the head tufted with slender, usually curly, plumes.
In entomology, bearing one or more slender bunches of curved or curled hairs, as the antennæ of certain longicorn beetles.
Also written cirrous, cirrhose, cirrhous.