n. pl. pyc·nid·i·a (-ē-ə) A flask-shaped structure containing conidia, found in certain fungi,. [New Latin : Greek puknos, thick + Latin -idium, diminutive suff. (from Greek -idion).] pyc·nidi·al adj. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.