Said by one friend to another in response to thank you.

request for friendship (on social media)

(transitive) to send someone a friend request

Someone who is a friend of two or more people, each of whom may not know each other.

plural of girl-friend

Two people who count each other as friends / plural of mutual friend

One who is no longer a friend; a former friend.

plural of Public Friend

A Quaker authorized to travel between meetings and communities to preach; a Quaker preacher (in the 17- and 1800s).

plural of public Friend