Noun

1. A formation of people or things one beside another
2. A mark that is long relative to its width
3. A formation of people or things one behind another
4. A length (straight or curved) without breadth or thickness; the trace of a moving point
5. Text consisting of a row of words written across a page or computer screen
6. A single frequency (or very narrow band) of radiation in a spectrum
7. A fortified position (especially one marking the most forward position of troops)
8. A course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning
9. A conductor for transmitting electrical or optical signals or electric power
10. A connected series of events or actions or developments
11. A spatial location defined by a real or imaginary unidimensional extent
12. A slight depression in the smoothness of a surface
13. A pipe used to transport liquids or gases
14. The road consisting of railroad track and roadbed
15. A telephone connection
16. Acting in conformity
17. The descendants of one individual
18. Something (as a cord or rope) that is long and thin and flexible
19. The principal activity in your life that you do to earn money
20. In games or sports; a mark indicating positions or bounds of the playing area
21. (often plural) a means of communication or access
22. A particular kind of product or merchandise
23. A commercial organization serving as a common carrier
24. Space for one line of print (one column wide and 1/14 inch deep) used to measure advertising
25. The maximum credit that a customer is allowed
26. A succession of notes forming a distinctive sequence
27. Persuasive but insincere talk that is usually intended to deceive or impress
28. A short personal letter
29. A conceptual separation or distinction
30. Mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it

Verb

1. Be in line with; form a line along
2. Cover the interior of
3. Make a mark or lines on a surface
4. Mark with lines
5. Fill plentifully
6. Reinforce with fabric