The noun line has 29 senses (first 23 from tagged texts)
1. (51) line -- (a formation of people or things one beside another; "the line of soldiers advanced with their bayonets fixed"; "they were arrayed in line of battle"; "the cast stood in line for the curtain call")
2. (20) line -- (a mark that is long relative to its width; "He drew a line on the chart")
3. (15) line -- (a formation of people or things one behind another; "the line stretched clear around the corner"; "you must wait in a long line at the checkout counter")
4. (13) line -- (a length (straight or curved) without breadth or thickness; the trace of a moving point)
5. (11) line -- (text consisting of a row of words written across a page or computer screen; "the letter consisted of three short lines"; "there are six lines in every stanza")
6. (10) line -- (a single frequency (or very narrow band) of radiation in a spectrum)
7. (10) line -- (a fortified position (especially one marking the most forward position of troops); "they attacked the enemy's line")
8. (10) argumentation, logical argument, line of reasoning, line -- (the methodical process of logical reasoning; "I can't follow your line of reasoning")
9. (9) cable, line, transmission line -- (a conductor for transmitting electrical or optical signals or electric power)
10. (8) course, line -- (a connected series of events or actions or developments; "the government took a firm course"; "historians can only point out those lines for which evidence is available")
11. (6) line -- (a spatial location defined by a real or imaginary unidimensional extent)
12. (5) wrinkle, furrow, crease, crinkle, seam, line -- (a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles")
13. (4) pipeline, line -- (a pipe used to transport liquids or gases; "a pipeline runs from the wells to the seaport")
14. (4) line, railway line, rail line -- (the road consisting of railroad track and roadbed)
15. (3) telephone line, phone line, telephone circuit, subscriber line, line -- (a telephone connection)
16. (3) line -- (acting in conformity; "in line with"; "he got out of line"; "toe the line")
17. (2) lineage, line, line of descent, descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock -- (the descendants of one individual; "his entire lineage has been warriors")
18. (2) line -- (something (as a cord or rope) that is long and thin and flexible; "a washing line")
19. (2) occupation, business, job, line of work, line -- (the principal activity in your life that you do to earn money; "he's not in my line of business")
20. (1) line -- (in games or sports; a mark indicating positions or bounds of the playing area)
21. (1) channel, communication channel, line -- ((often plural) a means of communication or access; "it must go through official channels"; "lines of communication were set up between the two firms")
22. (1) line, product line, line of products, line of merchandise, business line, line of business -- (a particular kind of product or merchandise; "a nice line of shoes")
23. (1) line -- (a commercial organization serving as a common carrier)
24. agate line, line -- (space for one line of print (one column wide and 1/14 inch deep) used to measure advertising)
25. credit line, line of credit, bank line, line, personal credit line, personal line of credit -- (the maximum credit that a customer is allowed)
26. tune, melody, air, strain, melodic line, line, melodic phrase -- (a succession of notes forming a distinctive sequence; "she was humming an air from Beethoven")
27. note, short letter, line, billet -- (a short personal letter; "drop me a line when you get there")
28. line, dividing line, demarcation, contrast -- (a conceptual separation or distinction; "there is a narrow line between sanity and insanity")
29. production line, assembly line, line -- (mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it)
Overview of verb line
The verb line has 6 senses (first 2 from tagged texts)
1. (7) line, run along -- (be in line with; form a line along; "trees line the riverbank")
2. (5) line -- (cover the interior of; "line the gloves"; "line a chimney")
3. trace, draw, line, describe, delineate -- (make a mark or lines on a surface; "draw a line"; "trace the outline of a figure in the sand")
4. line -- (mark with lines; "sorrow had lined his face")
5. line -- (fill plentifully; "line one's pockets")
6. line -- (reinforce with fabric; "lined books are more enduring")