from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A specialized absorbing structure of a parasitic plant, such as the rootlike outgrowth of the dodder, that obtains food from a host plant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A root of a parasitic plant modified to take nourishment from its host.
from the GNU version of the Collaborative International Dictionary of English
- n. One of the suckerlike rootlets of such plants as the dodder and ivy.
from The Century Dictionary and Cyclopedia
- n. One of the small roots or suckers of parasitic plants, which attach themselves to and penetrate the host plant, and establish a direct connection with its sap, upon which the parasite wholly or partly subsists.
- n. plural In fungi, specialized branches or organs of mycelia, serving either as a means of attachment or to bring the fungus into organic connection with its host.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a root-like attachment in parasitic plants that penetrates and obtains food from the host
New Latin haustōrium, from Latin haustus, a drawing in, absorption, from past participle of haurīre, to draw up.(American Heritage® Dictionary of the English Language, Fourth Edition)