"frill" in the noun sense
paleontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs
2. frill, ruff
an external body part consisting of feathers or hair about the neck of a bird or other animal
3. frill, flounce, ruffle, furbelow
a strip of pleated material used as a decoration or a trim
4. folderal, falderol, frill, gimcrackery, gimcrack, nonsense, trumpery
ornamental objects of no great value
Source: WordNet® (An amazing lexical database of English)
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