Definitions

1. adjective

bulb-shaped or swollen; especially referring to the shape of a part of a plant such as an inflorescence or a bulb

“The garden featured various bulbous flowers, including the majestic tulips.”

2. noun

a bulb-shaped or swollen part of a plant, especially an inflorescence

“The bulbous spikes on the cactus added an interesting texture to the landscape.”