labellum
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la·bel·lum
(lə-bĕl′əm)n. pl. la·bel·la (-bĕl′ə)
1. The median petal of an orchid flower, usually different in shape, size, or color from the two lateral petals; lip.
2. A liplike part, such as the tip of the labium of certain flies, used for lapping up liquids.
la·bel′late (-ĭt) adj.
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.
labellum
(ləˈbɛləm)n, pl -la (-lə)
1. (Botany) the part of the corolla of certain plants, esp orchids, that forms a distinct, often lobed, lip
2. (Zoology) a lobe at the tip of the proboscis of a fly
[C19: New Latin, diminutive of Latin labrum lip]
laˈbelloid adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
la•bel•lum
(ləˈbɛl əm)n., pl. -bel•la (-ˈbɛl ə)
the lowest of the three orchid petals, usu. larger and more conspicuous than the others; the lip.
[1820–30; < Latin, diminutive of labrum lip]
la•bel′loid, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.