A contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and inserted in the vagina, over the uterine cervix, before intercourse.
Source: based on Wordnet Contraceptive diaphragm
Source: Options for Sexual Health
Diaphragm
GreenFacts Summary on AIDS status & challenges of the epidemic
Español: Diafragma (anticonceptivo)
Français: Diaphragme (contraceptif)