openreturn
nounUK /ˌəʊpən rɪˈtɜːn/
US /ˌoʊpən rɪˈtɝːn/
An open return is a ticket that lets you come back on any day you choose.
She bought an open return so she could stay with her grandma for a few extra days.
RELATED WORDS
OTHER MEANINGS
2. A library book that has been returned and is available again.
The librarian shelved the open return near the front desk.
3. A reply or response that is not yet decided or settled.
The committee left the question as an open return until next week.
4. In computing, a function that hands back a value without closing its connection.
The program used an open return to keep the file ready for more data.