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dis·coid(dĭs′koid′) also dis·coi·dal (dĭ-skoid′l)
1. Having a flat, circular form; disk-shaped.
2. Related to or having a disk.
3. Having disk flowers only. Used of a composite flower head.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. like a disc
2. (Botany) (of a composite flower such as the tansy) consisting of disc florets only
a disclike object
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. having the form of a disk; flat and circular.
2. (of a composite flower) having a disk without rays.
[1785–95; < Late Latin discoīdēs < Greek diskoeidḗs quoit-shaped]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.