four-o'clock
(fôr′ə-klŏk′)n. Any of several plants of the genus Mirabilis, especially M. jalapa, native to tropical America and widely cultivated for its trumpet-shaped, variously colored flowers that open late in the afternoon.
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.
four-o'clock
n 1. (Plants) Also called: marvel-of-Peru a tropical American nyctaginaceous plant, Mirabilis jalapa, cultivated for its tubular yellow, red, or white flowers that open in late afternoon
2. (Animals) Austral another name for friarbird, esp the noisy friarbird (Philemon corniculatus): so called because of its cry
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
four′-o'clock`
n. any plant of the genus Mirabilis, having tubular flowers that open in the late afternoon.
[1750–60]
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