| bulb | | |
| n. (plant) | 1. bulb | a modified bud consisting of a thickened globular underground stem serving as a reproductive structure. |
| ~ onion | the bulb of an onion plant. |
| ~ shallot | aggregate bulb of the multiplier onion. |
| ~ squill | bulb of the sea squill, which is sliced, dried, and used as an expectorant. |
| ~ stalk, stem | a slender or elongated structure that supports a plant or fungus or a plant part or plant organ. |
| ~ bulbil, bulblet | small bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers. |
| n. (artifact) | 2. bulb, electric light, electric-light bulb, incandescent lamp, light bulb, lightbulb | electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity. |
| ~ electric lamp | a lamp powered by electricity. |
| ~ filament | a thin wire (usually tungsten) that is heated white hot by the passage of an electric current. |
| n. (artifact) | 3. bulb | a rounded part of a cylindrical instrument (usually at one end).; "the bulb of a syringe" |
| ~ mercury-in-glass thermometer, mercury thermometer | thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube. |
| ~ part, portion | something less than the whole of a human artifact.; "the rear part of the house"; "glue the two parts together" |
| ~ syringe | a medical instrument used to inject or withdraw fluids. |
| n. (shape) | 4. bulb | anything with a round shape resembling a teardrop. |
| ~ round shape | a shape that is curved and without sharp angles. |
| n. (body) | 5. bulb, medulla, medulla oblongata | 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" |
| ~ neural structure | a structure that is part of the nervous system. |
| ~ brain-stem, brain stem, brainstem | the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus. |
| ~ respiratory center | the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles. |
| n. (body) | 6. bulb | a rounded dilation or expansion in a canal or vessel or organ. |
| ~ anatomical structure, bodily structure, body structure, complex body part, structure | a particular complex anatomical part of a living thing.; "he has good bone structure" |
| sucker | | |
| n. (person) | 1. chump, fall guy, fool, gull, mark, mug, patsy, soft touch, sucker | a person who is gullible and easy to take advantage of. |
| ~ dupe, victim | a person who is tricked or swindled. |
| n. (plant) | 2. sucker | a shoot arising from a plant's roots. |
| ~ shoot | a new branch. |
| n. (person) | 3. sucker | a drinker who sucks (as at a nipple or through a straw). |
| ~ drinker | a person who drinks liquids. |
| n. (food) | 4. sucker | flesh of any of numerous North American food fishes with toothless jaws. |
| ~ sucker | mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps. |
| ~ freshwater fish | flesh of fish from fresh water used as food. |
| n. (food) | 5. all-day sucker, lollipop, sucker | hard candy on a stick. |
| ~ candy, confect | a rich sweet made of flavored sugar and often combined with fruit or nuts. |
| n. (animal) | 6. sucker | an organ specialized for sucking nourishment or for adhering to objects by suction. |
| ~ cupule | a sucker on the feet of certain flies. |
| ~ organ | a fully differentiated structural and functional unit in an animal that is specialized for some particular function. |
| n. (animal) | 7. sucker | mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps. |
| ~ catostomidae, family catostomidae | suckers; closely related to the family Cyprinidae. |
| ~ catostomid | a cypriniform fish of the family Catostomidae. |
| ~ buffalo fish, buffalofish | any of several large suckers of the Mississippi valley. |
| ~ hog molly, hog sucker, hypentelium nigricans | widely distributed in warm clear shallow streams. |
| ~ redhorse, redhorse sucker | North American sucker with reddish fins. |
| ~ sucker | flesh of any of numerous North American food fishes with toothless jaws. |
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