Definitions of line:

• noun:   acting in conformity

  Example: "In line with"

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

  Example: "A washing line"

• noun:   the road consisting of railroad track and roadbed
• noun:   a commercial organization serving as a common carrier
• noun:   a particular kind of product or merchandise

  Example: "A nice line of shoes"

• noun:   a conceptual separation or demarcation

  Example: "There is a narrow line between sanity and insanity"

• noun:   a mark that is long relative to its width

  Example: "He drew a line on the chart"

• noun:   text consisting of a row of words written across a page or computer screen

  Example: "The letter consisted of three short lines"

• noun:   a formation of people or things one behind another

  Example: "The line stretched clear around the corner"

• noun:   a formation of people or things one beside another

  Example: "The line of soldiers advanced with their bayonets fixed"

• noun:   a spatial location defined by a real or imaginary unidimensional extent
• noun:   in games or sports; a mark indicating positions or bounds of the playing area
• noun:   a fortified position (especially one marking the most forward position of troops)

  Example: "They attacked the enemy's line"

• noun:   a single frequency (or very narrow band) of radiation in a spectrum
• noun:   a length (straight or curved) without breadth or thickness; the trace of a moving point
• noun:   a conductor for transmitting electrical or optical signals or electric power
• noun:   a pipe used to transport liquids or gases

  Example: "A pipeline runs from the wells to the seaport"

• noun:   the descendants of one individual

  Example: "His entire lineage has been warriors"

• noun:   a connected series of events or actions or developments

  Example: "Historians can only point out those lines for which evidence is available"

• noun:   space for one line of print (one column wide and 1/14 inch deep) used to measure advertising
• noun:   mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it
• noun:   (often plural) a means of communication or access

  Example: "Lines of communication were set up between the two firms"

• noun:   a short personal letter

  Example: "Drop me a line when you get there"

• noun:   the methodical process of logical reasoning

  Example: "I can't follow your line of reasoning"

• noun:   the maximum credit that a customer is allowed
• noun:   the principal activity in your life that you do to earn money

  Example: "He's not in my line of business"

• noun:   a telephone connection
• noun:   a succession of notes forming a distinctive sequence
• noun:   a slight depression in the smoothness of a surface

  Example: "His face has many lines"

• verb:   reinforce with fabric

  Example: "Lined books are more enduring"

• verb:   be in line with; form a line along

  Example: "Trees line the riverbank"

• verb:   fill plentifully

  Example: "Line one's pockets"

• verb:   cover the interior of (garments)

  Example: "Line the gloves"

• verb:   mark with lines

  Example: "Sorrow had lined his face"

• verb:   make a mark or lines on a surface

  Example: "Draw a line"

• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #14006)