[ mon-uh-kot-l-eed-n-uh s ]
/ ˌmɒn əˌkɒt lˈid n əs /


belonging or pertaining to the monocotyledons.

Origin of monocotyledonous

First recorded in 1760–70; monocotyledon + -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for monocotyledonous

Science definitions for monocotyledonous


[ mŏn′ə-kŏt′l-ēdn ]
monocot (mŏnə-kŏt′)

Any of a class of angiosperm plants having a single cotyledon in the seed. Monocotyledons have leaves with parallel veins, flower parts in multiples of three, and fibrous root systems. Their primary vascular bundles are scattered throughout the stem, not arranged in a ring as in eudicotyledons. Grasses, palms, lilies, irises, and orchids are monocotyledons. See more at leaf. Compare eudicotyledon.

Related forms

monocotyledonous adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.