line

noun

1. 1

   the principal activity in your life that you do to earn money

   he's not in my line of business

2. 2

   acting in conformity

   in line with

   he got out of line

3. 3

   a conductor for transmitting electrical or optical signals or electric power

4. 4

   something (as a cord or rope) that is long and thin and flexible

   a washing line

5. 5

   the road consisting of railroad track and roadbed

6. 6

   a commercial organization serving as a common carrier

7. 7

   a particular kind of product or merchandise

   a nice line of shoes

8. 8

   a pipe used to transport liquids or gases

   a pipeline runs from the wells to the seaport

9. 9

   mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it

10. 10

    a telephone connection

11. 11

    a conceptual separation or distinction

    there is a narrow line between sanity and insanity

12. 12

    a course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning

    I can't follow your line of reasoning