a French letter

(informal, old-fashioned)

a thin rubber covering that a man can wear on his penis during sex to stop a woman becoming pregnant or to protect him or his partner against infectious diseases In those days, French letters were the only form of contraceptive we had.

Common Names:

Name	Pronounced	Usage
Valary	VAL-ə-ree	English (Rare)
Lynn	[lin]
Yuuma	yoo:-mah	Japanese
Danica	-	Serbian, Croatian, Slovene, Slovak, Czech, Macedonian, English
Arsenio	ahr-SE-nyo (Spanish, Italian)	Spanish, Portuguese, Italian
Griffin	GRIF-in	English