A trial separation is when a couple spends some time apart to decide if they want to continue their relationship. It's like a break to see if being apart makes them happier or if they want to get back together. Full definition
The use of trial separation agreements as a way to effect reconciliation was discussed as a novel, albeit controversial, technique. (afccnet.org)
The focus of many working in family courts was the resolution of marital disputes, promoting reconciliation, often times by using trial separation agreements. (texasafcc.org)
Some spouses see a time of trial separation as an opportunity to start other romantic relationships and to enjoy their «freedom». (marriage.com)