haustorium
[ haw-stawr-ee-uh m, -stohr- ]
/ hɔˈstɔr i əm, -ˈstoʊr- /
noun, plural haus·to·ri·a [haw-stawr-ee-uh, -stohr-] /hɔˈstɔr i ə, -ˈstoʊr-/.
a projection from the hypha of a fungus into the organic matter from which it absorbs nutrients.
the penetrating feeding organ of certain parasites.
Nearby words
haust., haustella, haustellate, haustellum, haustoria, haustorium, haustration, haustrum, haut, haut cuisine, haut monde
Origin of haustorium
1870–75; < New Latin, equivalent to Latin haus- (variant stem of haurīre to draw, scoop up) + -tōrium -tory2
Related formshaus·to·ri·al, adjective
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for haustoria
haustorium
/ (hɔːˈstɔːrɪəm) /
noun plural -ria (-rɪə)
the organ of a parasitic plant that penetrates the host tissues and absorbs food and water from them
Derived Formshaustorial, adjective
Word Origin for haustorium
C19: from New Latin, from Late Latin haustor a water-drawer; see haustellum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for haustoria
haustorium
[ hô-stôr′ē-əm ]
Plural haustoria
A specialized absorbing structure of a parasitic fungus or plant, such as the rootlike outgrowth of the dodder, that obtains food from a host plant. In parasitic fungi, haustoria are specialized hyphae that penetrate the cells of other organisms and absorb nutrients directly from them.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.