Blind date

(PW) a date arranged for two people who don’t know each other

Many married couples have met on a blind date.

(MW)

Function: noun

Date: 1925

1 : a date between two persons who have not previously met
2 : either participant in a blind date

(freedictionary) n.

1. A social engagement between two persons who have not previously met, usually arranged by a mutual acquaintance.

2. Either of the persons participating in such a social engagement.

(Wiki)

A blind date is a date where the people involved have not met each other previously. The match could have been arranged by mutual friends, relatives or by a dating system.