1.Definition: (often plural) a means of communication or access
"It must go through official channels", "Lines of communication were set up between the two firms"
Related Noun(s):channelCategory: General
2.Definition: a commercial organization serving as a common carrierCategory: Objects
3.Definition: a conceptual separation or distinction
"There is a narrow line between sanity and insanity"
Related Noun(s):contrast, demarcationCategory: General
4.Definition: a conductor for transmitting electrical or optical signals or electric power
Related Noun(s):cableCategory: Objects
5.Definition: 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"
Related Noun(s):courseCategory: General
6.Definition: 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"
Related Noun(s):argument, argumentationCategory: General
7.Definition: 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"Category: General
8.Definition: 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"Category: General
9.Definition: a fortified position (especially one marking the most forward position of troops)
"They attacked the enemy's line"Category: Places
10.Definition: a length (straight or curved) without breadth or thickness; the trace of a moving pointCategory: General
11.Definition: a mark that is long relative to its width
"He drew a line on the chart"Category: General
12.Definition: a particular kind of product or merchandise
"A nice line of shoes"Category: Objects
13.Definition: a pipe used to transport liquids or gases
"A pipeline runs from the wells to the seaport"
Related Noun(s):pipelineCategory: Objects
14.Definition: a short personal letter
"Drop me a line when you get there"
16.Definition: a slight depression or fold in the smoothness of a surface
"His face has many lines", "Ironing gets rid of most wrinkles"
17.Definition: a spatial location defined by a real or imaginary unidimensional extentCategory: Places
18.Definition: a succession of notes forming a distinctive sequence
19.Definition: a telephone connectionCategory: Objects
20.Definition: acting in conformity
"In line with", "He got out of line", "Toe the line"Category: General
21.Definition: in games or sports; a mark indicating positions or bounds of the playing areaCategory: Places
22.Definition: mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on itCategory: Objects
23.Definition: persuasive but insincere talk that is usually intended to deceive or impress
"`let me show you my etchings' is a rather worn line", "He has a smooth line but I didn't fall for it", "That salesman must have practiced his fast line of talk"Category: General
24.Definition: something (as a cord or rope) that is long and thin and flexible
"A washing line"Category: Objects
25.Definition: space for one line of print (one column wide and 1/14 inch deep) used to measure advertisingCategory: General
26.Definition: 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"Category: General
27.Definition: the descendants of one individual
"His entire lineage has been warriors"
Related Noun(s):ancestry, blood, bloodline, descent, lineage, origin, parentage, pedigree, stemma, stockCategory: General
29.Definition: the principal activity in your life that you do to earn money
"He's not in my line of business"
Related Noun(s):business, job, occupationCategory: General