ˌhälōˈthu̇rēə, ˌhōl- noun
Usage: capitalized
Etymology: New Latin, from Latin, a water polyp, from Greek holothourion
1. : a Linnaean genus containing various rather wormlike aquatic animals (as some gephyreans and holothurians) originally thought to be modified mollusks
2. : a large cosmopolitan genus of holothurians that is the type of the family Holothuriidae and is characterized by the presence of scattered more or less papillate pedicels — compare trepang