labellum

[ luh-bel-uh m ]
/ ləˈbɛl əm /

noun, plural la·bel·la [luh-bel-uh] /ləˈbɛl ə/. Botany.

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

Example sentences from the Web for labella

British Dictionary definitions for labella

labellum
/ (ləˈbɛləm) /

noun plural -la (-lə)

the part of the corolla of certain plants, esp orchids, that forms a distinct, often lobed, lip
a lobe at the tip of the proboscis of a fly

Derived forms of labellum

labelloid, adjective

Word Origin for labellum

C19: New Latin, diminutive of Latin labrum lip