| 1. |
(noun) a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe" |
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Related Words: part, portion |
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| 2. |
(noun) a rounded dilation or expansion in a canal or vessel or organ |
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Related Words: anatomical structure, bodily structure, body structure, complex body part, structure |
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| 3. |
(noun) a modified bud consisting of a thickened globular underground stem serving as a reproductive structure |
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Related Words: bulbil, bulblet, onion, shallot, squill, stalk, stem |
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| 4. |
(noun) a glass bulb containing a wire filament (usually tungsten) that emits light when heated |
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Synonyms: electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb |
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Related Words: electric lamp |
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| 5. |
(noun) 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 funtioning" |
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Synonyms: medulla, medulla oblongata |
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Related Words: neural structure |
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