Definitions

1. noun

In botany, a rhinaria refers to a small, usually rounded, waxy or fleshy structure on the surface of certain plants, often containing secretory tissue.

“The unique rhinaria on the leaves of the Euphorbia plant help it store water during dry periods.”

2. noun

In biology, a rhinaria can be a sensory organ found in certain invertebrate animals, particularly in insects, such as the sense organs on the antennae of moths.

“The rhinaria on the moth’s antennae allow it to detect the scent of its host plant.”