[kach-lahyn] 
| 1. | a word, phrase, or sentence used, esp. in advertising or journalism, to arouse or call attention. |
| 2. | a line in which a catchword appears. |
| 3. | a line of lesser importance, set shorter or sometimes in smaller type than the lines above and beneath it. |
| 4. | Theater. a line of comic dialogue expected to elicit laughter. |
| 5. | slug 1 (def. 10a). |
[sluhg] noun, verb, slugged, slug⋅ging.| 1. | any of various snaillike terrestrial gastropods having no shell or only a rudimentary one, feeding on plants and a pest of leafy garden crops. |
| 2. | a nudibranch. |
| 3. | a metal disk used as a coin or token, generally counterfeit. |
| 4. | a piece of lead or other metal for firing from a gun. |
| 5. | any heavy piece of crude metal. |
| 6. | Printing.
|
| 7. | Informal. a shot of liquor taken neat; belt. |
| 8. | Slang. a person who is lazy or slow-moving; sluggard. |
| 9. | a slow-moving animal, vehicle, or the like. |
| 10. | Journalism.
|
| 11. | Metalworking. a small piece of metal ready for processing. |
| 12. | a gold coin of California, privately issued in 1849 and for some time after, worth 50 dollars. |
| 13. | Physics. a unit of mass, equivalent to approximately 32.2 lb. (15 kg) and having the property that a force of one pound acting upon a mass of this unit produces an acceleration of one foot per second per second. |
| 14. | an irregular projection or knob on the surface of yarn, usually produced by lint or by defects in weaving. |
| 15. | Printing.
|
| 16. | Journalism. to furnish (copy) with a slug. |
| 17. | to interpolate pieces of metal into (a joint being welded). |
