Livid—A dark colored spot on the surface.
Loin—Lower part of the back.
Lotion—A preparation to wash a sore.
Lumbago—Rheumatism of the loins.
Malaria—Foul marsh air.
Malignant—A disease of a very serious character.
Malformation—Irregular, unnatural formation.
Mastication—The act of chewing.
Masturbation—Excitement, by the hand, of the genital organs.
Matrix—The womb.