“Snowdrops hate having their roots disturbed, but dividing them in spring allows their roots to recover and gives the leaves time to feed the bulb before they become dormant later in summer.”
“I need to replace the bulb in my desk lamp because it is no longer emitting light when I turn it on.”
bulbil
(botany) A bulb-shaped bud in the place of a flower or in a leaf axil.
(anatomy) A small hollow bulb, such as an enlargement in a small vessel or tube.