noun, noun which may take the genitive case particle 'no'
Refers to the underground storage organ of plants such as onions, tulips, and lilies. Used both as a noun and adjectivally with の.
I planted tulip bulbs in the autumn.
Bulbous plants are easy to care for.
I planted tulip bulbs in the autumn.
Once the flowers fade, you dig up the bulbs and store them.
When spring came, shoots sprouted from the bulbs.