ˌ ̷ ̷ ̷ ̷ˈkēd.ə noun
Usage: capitalized
Etymology: New Latin, from cycl- + -chaeta
: a genus of peritrichous ciliates that have marginal cirri about a ventral disk armed with chitinous hooks, are commensals or ectoparasites on aquatic animals, and include one ( C. domerguei ) which is sometimes destructive to freshwater fishes in hatcheries or aquariums