Lēm'on, n.

noun

n. [Fr., Pr., & Sp. limon, It. limone, from Per. & Turk. limān, Ar. laimān.]

  1. An oval or roundish fruit resembling the orange, and containing an intensely acid pulp. It is produced by a tropical tree of the genus Citrus, the common fruit known in commerce being that of the species C. limonum. There are many varieties of the fruit, some of which are even sweet.
  2. The tree that produces lemons;—usually called lemon-tree.

Salt of lemons (Chem.), binoxalate of potash, or potash combined with oxalic acid.