also: いちじき
noun
one meal
General term for a single meal, often used when counting meals or referring to a meal as a unit.
今日は一食抜いても大丈夫だ。
I'll be fine even if I skip one meal today.
一食あたりのカロリーを計算する。
Calculate the calories per meal.
noun
one meal a day
Only with reading いちじき
Buddhist term for the ascetic practice of eating only one meal per day, read as いちじき.
修行僧は一食を守っている。
The monk in training observes the practice of eating one meal a day.
Compound of 一 (one) and 食 (meal/eating). The reading いちじき is an older, specialized Buddhist reading.