frill
- n (paleontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs
- n an external body part consisting of feathers or hair about the neck of a bird or other animal
- n a strip of pleated material used as a decoration or a trim
- n ornamental objects of no great value
frilled lizard
- n large arboreal insectivorous Australian lizard with a ruff of skin around the neck
frimaire
- n third month of the Revolutionary calendar (November and December); the frosty month