noun as·co·ma \aˈskōmə\

Definition of ascoma



  1. :  an ascocarp having the hymenium on a broadly expanded or disklike receptacle especially characteristic of the order Helvellales; specifically :  the simple type of fruiting body made up of an undifferentiated mass of tissue on or in which the asci are borne

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of ascoma

New Latin, from Greek askōma leather lining protecting the aperture for the oar, from askos wineskin — more at ascus

Seen and Heard

What made you want to look up ascoma? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!