Meaning of 'bulb'

noun

a rounded part of a cylindrical instrument (usually at one end)

Example: "the bulb of a syringe"

noun

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

Synonyms: light bulb lightbulb incandescent lamp electric light electric-light bulb

noun

a rounded dilation or expansion in a canal or vessel or organ

noun

lower or hindmost part of the brain

Synonyms: medulla medulla oblongata

noun

a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

noun

anything with a round shape resembling a teardrop