WordWeb Online

1. (palaeontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs
    
2. An external body part consisting of feathers or hair about the neck of a bird or other animal
   - ruff
    
3. A strip of pleated material used as a decoration or a trim
   - flounce, ruffle, furbelow
    
4. Ornamental objects of no great value
   - falderal, falderol, gimcrackery, gimcrack, nonsense, trumpery [archaic], folderol [archaic]

Derived forms: frills

Type of: adornment, decoration, external body part, ornament, ornamentation, plate

Encyclopedia: Frill, John