It means exposed gland or bare gland. Viscidium or exposed viscidium (viscous and fragrant element of a flower). It is the castellanization of the term Gynmadenia, which is the name of a genus of plants in the orchidaceae family. It is known as odorous orchid or fragrant orchid.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list