What is the meaning of lean?

noun

• The property possessed by a line or surface that departs from the vertical.
  • usage: "the tower had a pronounced tilt"; "the ship developed a list to starboard"; "he walked with a heavy inclination to the right"
  • synonyms: tilt, list, inclination, leaning

verb

• To incline or bend from a vertical position.
  • usage: "She leaned over the banister"
  • synonyms: tilt, tip, slant, angle
• Cause to lean or incline.
  • usage: "He leaned his rifle against the wall"
• Have a tendency or disposition to do or be something; be inclined.
  • usage: "She tends to be nervous before her lectures"; "These dresses run small"; "He inclined to corpulence"
  • synonyms: tend, be given, incline, run
• Rely on for support.
  • usage: "We can lean on this man"
• Cause to lean to the side.
  • usage: "Erosion listed the old tree"
  • synonyms: list

adjective

• Lacking excess flesh."you can't be too rich or too thin"; "Yon Cassius has a lean and hungry look-Shakespeare
  • synonyms: thin
• Lacking in mineral content or combustible material.
  • usage: "lean ore"; "lean fuel"
• Containing little excess.
  • usage: "a lean budget"; "a skimpy allowance"
  • synonyms: skimpy
• Not profitable or prosperous.
  • usage: "a lean year"