[ luh-bel-uhm ]

noun,plural la·bel·la [luh-bel-uh]. /ləˈbɛl ə/. Botany.
  1. the petal of an orchid that differs more or less markedly from the other petals, often forming the most conspicuous part; the lip.

Origin of labellum

1820–30; <Latin, diminutive of labrum lip; for formation see castellum

Other words from labellum

  • la·bel·loid, adjective

Words Nearby labellum Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use labellum in a sentence

British Dictionary definitions for labellum


/ (ləˈbɛləm) /

nounplural -la (-lə)
  1. the part of the corolla of certain plants, esp orchids, that forms a distinct, often lobed, lip

  2. a lobe at the tip of the proboscis of a fly

Origin of labellum

C19: New Latin, diminutive of Latin labrum lip

Derived forms of labellum

  • labelloid, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012