Definition of "disciform" []

• Flat and rounded in shape; discoid: disciform fungi. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Simultaneous with the burst of colors, the human witness would have seen the emergence of an astronomical number of atoms in the form of a rotating, black disciform concretion."
• "The style is longer than usual, is straight and erect; the broad, disciform stigma therefore faces upwards; it is oval and symmetrical, and a light groove across its middle shows it to be dimerous."