bulbs

1. a modified bud consisting of a thickened globular underground stem serving as a reproductive structureSynonyms: bulb

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

3. a rounded part of a cylindrical instrument (usually at one end)Examples: "the bulb of a syringe"Synonyms: bulb

4. anything with a round shape resembling a teardropSynonyms: bulb

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

6. a rounded dilation or expansion in a canal or vessel or organSynonyms: bulb