ˌjīrōˈkäd. ə l(ˌ)ē noun
Usage: capitalized
Etymology: New Latin, from gyr- + Greek kotylē cup, small vessel — more at kettle
: a genus (the type of the family Gyrocotylidae) comprising cestodarian worms with a flattened body, an anterior sucker, and a posterior organ in the form of a frilled rosette and sometimes also including worms in which the rosette is replaced by a contractile cylindrical structure that ends in a strong sphincter — compare amphilina