Noun has 2 senses

• std(n = noun.state) cupid's disease, cupid's itch, dose, sexually transmitted disease, social disease, vd, venereal disease, venereal infection, venus's curse - a communicable infection transmitted by sexual intercourse or genital contact;



• std(n = noun.communication) doctor of sacred theology - a doctor's degree in theology; "STD is from the Latin Sanctae Theologiae Doctor"