noun A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).
noun Anything formed with plaits or flutings like a frill.
noun Senses relating to animals. A gregarious, medium-sized wading bird of species Calidris pugnax (syn. Philomachus pugnax), of Eurasia; specifically, a male of the species which develops a distinctive ruff of feathers and ear tufts during mating season (the female is called a reeve). A set of lengthened or otherwise modified feathers on or around the neck of a bird. A collar of lengthened or distinctively coloured fur on or around the neck of an animal.
noun A gregarious, medium-sized wading bird of species Calidris pugnax (syn. Philomachus pugnax), of Eurasia; specifically, a male of the species which develops a distinctive ruff of feathers and ear tufts during mating season (the female is called a reeve).
noun A set of lengthened or otherwise modified feathers on or around the neck of a bird.
noun A collar of lengthened or distinctively coloured fur on or around the neck of an animal.
noun A collar on a shaft or other piece to prevent endwise motion.