letterbox contact
An arrangement permitting an adopted child and its birth parent to exchange letters,…An arrangement permitting an adopted child and its birth parent to exchange letters, but not to communicate through other means or meet in person.
Meaning
1 senses(uncountable)An arrangement permitting an adopted child and its birth parent to exchange letters, but not to communicate through other means or meet in person.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable