1) Lunch period 2) Mealtime 3) Noon hour 4) One, for some 5) School break 6) The time for eating lunch 1) Meal 2) Midday 3) Noon 4) Noonday 5) Noon hour 6) One 
[n] - the time for eating lunch
lunch period noun the customary or habitual hour for eating lunch; `he observed a regular lunchtime`
a period set aside for eating lunch or the period of an hour or so, beginning roughly at noon, during which lunch is commonly eaten.