frill in WordNet English dictionary

1. ornamental objects of no great value
   folderal  falderol  frill  gimcrackery  gimcrack  nonsense  trumpery 
   
2. a strip of pleated material used as a decoration or a trim
   frill  flounce  ruffle  furbelow 
   
3. an external body part consisting of feathers or hair about the neck of a bird or other animal
   frill  ruff 
   
4. (paleontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs
   frill