Labium (noun): Pronunciation: /ˈleɪ.bi.əm/
Definition:
1. Anatomy:
a) In humans and animals, one of the two fleshy and movable parts forming the external opening of the mouth; particularly applicable to the lower lip.
b) In insects, labium refers to the posterior median part of the insect mouthparts that functions as a lower lip.
2. Botany:
a) In certain plants, labium refers to the lower lip of a bilabiate corolla or calyx, which is usually larger and more projecting than the upper lip.
b) In orchids, the specialized lower petal of the flower, often forming a lip-like structure, is also known as the labium.
Etymology:
The term "labium" originated from Latin, where it means "lip." The word has been in use in English since the late 16th century.
Examples in Sentences:
1. Janice licked her labium nervously as she contemplated her upcoming performance.
2. The labium of the butterfly's proboscis eagerly extended towards the flower, seeking nectar.
3. The botanist admired the delicate orchid flower and its intricately shaped labium.
4. The labium of the trumpet vine attracts hummingbirds with its bright color and long tube-like shape.
Synonyms: lip, lower lip, insect lower lip, orchid lip, lower petal
