bulb
a rounded part of a cylindrical instrument (usually at one end)
the bulb of a syringe
light bulb
lightbulb
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
a rounded dilation or expansion in a canal or vessel or organ
medulla oblongata
medulla
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
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure
anything with a round shape resembling a teardrop