bulb   (Sound)

The noun bulb has 6 senses

• bulb -- (a modified bud consisting of a thickened globular underground stem serving as a reproductive structure)


• light bulb, lightbulb, bulb, incandescent lamp, electric light, electric-light bulb -- (electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity)


• bulb -- (a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe")


• bulb -- (anything with a round shape resembling a teardrop)


• medulla oblongata, medulla, bulb -- (lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning")


• bulb -- (a rounded dilation or expansion in a canal or vessel or organ)