Meaning of bulb

Definition of bulb

electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
anything with a round shape resembling a teardrop
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"

Other information on bulb

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