WordNet sense 1 (an external body part consisting of feathers or hair about the neck of a bird or other animal):

ruff

WordNet sense 2 (a strip of pleated material used as a decoration or a trim):

flounce, furbelow, ruffle

WordNet sense 3 (ornamental objects of no great value):

gimcrack, gimcrackery, nonsense, trumpery, folderal, falderol