Corm
/kɔːrm/
Definition 1 of 1
Pro Tip 1/3Botanical Term
Corm is used in botany and gardening. It's less common in everyday conversation. 
During the botany class, we learned that a corm is a type of underground plant stem.
Pro Tip 2/3Storehouse
Think of a corm as a storage unit for plants, keeping food to survive winter and dry periods. 
The gardener explained that the corm serves as a nutrient storehouse for the next growing season.
Pro Tip 3/3Not Always Visible
Corms are usually underground, so you might not see them unless you're planting or studying plants. 
To divide the plants, we had to dig up and split the corms.