Real Dictionary

genitourinary medicine in British English
noun: the branch of medical science concerned with the study and treatment of diseases of the genital and urinary organs, esp sexually transmitted diseases

gum
Your gums are the areas of firm, pink flesh inside your mouth, which your teeth grow out of.
variable noun: Gum is a substance, usually tasting of mint, which you chew for a long time but do not swallow.

gum in American English 1
a sticky, colloidal carbohydrate found in certain trees and plants, which dries into an uncrystallized, brittle mass that dissolves or swells in water
to coat, unite, or stiffen with gum
to secrete or form gum
intransitive verb: to exude or form gum
noun: any of various viscid, amorphous exudations from plants, hardening on exposure to air and soluble in or forming a viscid mass with water
transitive verb: to smear, stiffen, or stick together with gum

gum in American English 2
the firm flesh covering the jaws on the inside of the mouth and surrounding the base of the teeth
to bite or chew with toothless gums
noun: the firm, fleshy tissue covering the alveolar parts of either jaw and enveloping the necks of the teeth

gum in American English 3
interjection: (used as a mild oath)

GUM in British English
abbreviation for: genitourinary medicine

gum in British English 1
noun: any of various sticky substances that exude from certain plants, hardening on exposure to air and dissolving or forming viscous masses in water
verb: to cover or become covered, clogged, or stiffened with or as if with gum

gum in British English 2
noun: the fleshy tissue that covers the jawbones around the bases of the teeth

gum in British English 3
noun: used in the mild oath by gum!