The noun lean has 1 sense (no senses from tagged texts)
1. tilt, list, inclination, lean, leaning -- (the property possessed by a line or surface that departs from the vertical; "the tower had a pronounced tilt"; "the ship developed a list to starboard"; "he walked with a heavy inclination to the right")
Overview of verb lean
The verb lean has 5 senses (first 4 from tagged texts)
1. (24) lean, tilt, tip, slant, angle -- (to incline or bend from a vertical position; "She leaned over the banister")
2. (6) lean -- (cause to lean or incline; "He leaned his rifle against the wall")
3. (3) tend, be given, lean, incline, run -- (have a tendency or disposition to do or be something; be inclined; "She tends to be nervous before her lectures"; "These dresses run small"; "He inclined to corpulence")
4. (1) lean -- (rely on for support; "We can lean on this man")
5. list, lean -- (cause to lean to the side; "Erosion listed the old tree")
Overview of adj lean
The adj lean has 4 senses (first 1 from tagged texts)
1. (5) thin, lean -- (lacking excess flesh; "you can't be too rich or too thin"; "Yon Cassius has a lean and hungry look"-Shakespeare)
2. lean -- (lacking in mineral content or combustible material; "lean ore"; "lean fuel")
3. lean, skimpy -- (containing little excess; "a lean budget"; "a skimpy allowance")
4. lean -- (not profitable or prosperous; "a lean year")