Noah Webster's New International Dictionary of the English Language

1. (v. t.) To conceal.

2. (v. i.) To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating; as, she leaned out at the window; a leaning column.

3. (v. i.) To incline in opinion or desire; to conform in conduct; -- with to, toward, etc.

4. (v. i.) To rest or rely, for support, comfort, and the like; -- with on, upon, or against.

5. (v. i.) To cause to lean; to incline; to support or rest.

6. (v. i.) Wanting flesh; destitute of or deficient in fat; not plump; meager; thin; lank; as, a lean body; a lean cattle.

7. (v. i.) Wanting fullness, richness, sufficiency, or productiveness; deficient in quality or contents; slender; scant; barren; bare; mean; -- used literally and figuratively; as, the lean harvest; a lean purse; a lean discourse; lean wages.

8. (v. i.) of a character which prevents the compositor from earning the usual wages; -- opposed to fat; as, lean copy, matter, or type.

9. (n.) That part of flesh which consist principally of muscle without the fat.

10. (n.) Unremunerated copy or work.