ruffle

A strip of any textile material drawn up at one edge in gathers or plaits, and used as a bordering or trimming; a full, narrow flounce; a frill; a ruff.

Something resembling a ruffle in form or position.

In ornithology, same as ruff, 2 .

The string of egg-capsules of the periwinkles, whelks, and related gastropods.

In mech., a series of projections, often connected by a web, formed on the inner face of a flange of a metal gudgeon for a wooden shaft or roller, and fitted to a corresponding series of recesses in the end of such shaft or roller, to secure a rigid attachment of the flange and prevent its turning except as the shaft or roller turns with it.