bulbus
/ˈbʌlbəs/Definitions
1. noun
The bulb, especially the underground part of a plant, such as a tulip or onion.
“The gardener carefully dug around the bulb to avoid damaging it.”
2. suffix
Forming nouns denoting a bulb or an organ resembling a bulb.
“The botanist used the term “bulbous” to describe the unusual plant growth.”