Noun
Any annelid which constructs a tube; one of the Tubicolae.
Source: Webster's dictionaryDiscovery of the hydrothermal vents in the eastern Pacific Ocean was quickly followed by the discovery and description of new vestimentiferan tubeworm species. Source: Internet
Like the trunk portion of the body, the roots of the Vestimentiferan tubeworms are composed of chitin crystallites, which support and protect the tubeworm from predation and environmental stresses. Source: Internet
The diameter and wall thickness of the tubeworm roots do not appear to change with distance from the trunk portion of the tubeworms body. Source: Internet