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  1. plural of basidium.


[buh-sid-ee-uh m]
noun, plural ba·sid·i·a [buh-sid-ee-uh] /bəˈsɪd i ə/. Mycology.
  1. a special form of sporophore, characteristic of basidiomycetous fungi, on which the sexual spores are borne, usually at the tips of slender projections.

Origin of basidium

First recorded in 1855–60; bas(is) + -idium
Related formsba·sid·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for basidia


noun plural -ia (-ɪə)
  1. the structure, produced by basidiomycetous fungi after sexual reproduction, in which spores are formed at the tips of projecting slender stalks
Derived Formsbasidial, adjective

Word Origin

C19: from New Latin, from Greek basidion; see basis, -ium
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

basidia in Medicine


n. pl. ba•sid•i•a (-ē-ə)
  1. A small club-shaped structure that typically bears four spores at the tips of minute projections, is unique to Basidiomycetes, and is used as a distinguishing characteristic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

basidia in Science


Plural basidia
  1. A small, specialized, club-shaped structure typically bearing four basidiospores at the tips of minute projections in the fungi known as basidiomycetes. The basidium is unique to basidiomycetes and distinguishes them from other kinds of fungi.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.