diners is a form of:

Diner



noun
1.
(a person. who dines, a dining car on a train, a small restaurant) late diner អ្នកបរិភោគបាយល្ងាច, eat at a diner ហាងបាយតូចតាច, train has a diner វ៉ាហ្គុងភោជនីយដ្ឋាន