,noun, verb, spanned, span⋅ning.| 1. | the distance between the tip of the thumb and the tip of the little finger when the hand is fully extended. |
| 2. | a unit of length corresponding to this distance, commonly taken as 9 in. (23 cm). |
| 3. | a distance, amount, piece, etc., of this length or of some small extent: a span of lace. |
| 4. | Civil Engineering, Architecture.
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| 5. | the full extent, stretch, or reach of anything: a long span of memory. |
| 6. | Aeronautics. the distance between the wing tips of an airplane. |
| 7. | a limited space of time, as the term or period of living: Our span on earth is short. |
| 8. | Mathematics. the smallest subspace of a vector space that contains a given element or set of elements. |
| 9. | to measure by the hand with the thumb and little finger extended. |
| 10. | to encircle with the hand or hands, as the waist. |
| 11. | to extend over or across (a section of land, a river, etc.). |
| 12. | to provide with something that extends over: to span a river with a bridge. |
| 13. | to extend or reach over (space or time): a memory that spans 90 years. |
| 14. | Mathematics. to function (in a subspace of a vector space) as a span. |
| 15. | Archery. to bend (the bow) in preparation for shooting. |

verb, spun or (Archaic
) span, spun, spin⋅ning, noun | 1. | to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels. |
| 2. | to form (the fibers of any material) into thread or yarn: The machine spins nylon thread. |
| 3. | (of spiders, silkworms, etc.) to produce (a thread, cobweb, gossamer, silk, etc.) by extruding from the body a long, slender filament of a natural viscous matter that hardens in the air. |
| 4. | to cause to turn around rapidly, as on an axis; twirl; whirl: to spin a coin on a table. |
| 5. | Informal. to play (phonograph records): a job spinning records on a radio show. |
| 6. | Metalworking. to shape (sheet metal) into a hollow, rounded form by pressure from a tool while rotating the metal on a lathe or wheel. |
| 7. | to produce, fabricate, or evolve in a manner suggestive of spinning thread: to spin a tale of sailing ships and bygone days. |
| 8. | Rocketry. to cause intentionally (a rocket or guided missile) to undergo a roll. |
| 9. | to draw out, protract, or prolong (often fol. by out): He spun the project out for over three years. |
| 10. | British. to flunk a student in an examination or a term's work. |
| 11. | Slang. to cause to have a particular bias; influence in a certain direction: His assignment was to spin the reporters after the president's speech. |
| 12. | to revolve or rotate rapidly, as the earth or a top. |
| 13. | to produce a thread from the body, as spiders or silkworms. |
| 14. | to produce yarn or thread by spinning. |
| 15. | to move, go, run, ride, or travel rapidly. |
| 16. | to have a sensation of whirling; reel: My head began to spin and I fainted. |
| 17. | to fish with a spinning or revolving bait. |
| 18. | the act of causing a spinning or whirling motion. |
| 19. | a spinning motion given to a ball, wheel, axle, or other object. |
| 20. | a downward movement or trend, esp. one that is sudden, alarming, etc.: Steel prices went into a spin. |
| 21. | a rapid run, ride, drive, or the like, as for exercise or enjoyment: They went for a spin in the car. |
| 22. | Slang. a particular viewpoint or bias, esp. in the media; slant: They tried to put a favorable spin on the news coverage of the controversial speech. |
| 23. | Also called tailspin, tail spin. Aeronautics. a maneuver in which an airplane descends in a vertical direction along a helical path of large pitch and small radius at an angle of attack greater than the critical angle, dangerous when not done intentionally or under control. |
| 24. | Rocketry.
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| 25. | Also called spin angular momentum. Physics. the intrinsic angular momentum characterizing each kind of elementary particle, having one of the values 0, 1/2 , 1, 3/2 , … when measured in units of Planck's constant divided by 2π. |
| 26. | Australian. a run of luck; fate. |
| 27. | spin off,
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| 28. | spin one's wheels. wheel (def. 27). |
| 29. | spin out, (of an automobile) to undergo a spinout. |

span 3 (spān) v. Archaic A past tense of spin. |
SPAN
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