Usage patterns
一日に〈数〉食とるto have ... meals a day
I try to have three meals a day.
食の〈事〉matters relating to food (e.g. food safety, food culture)
Interest in food safety has been growing recently.
食を通じて〈事〉through food/eating (to accomplish or convey something)
I want to convey the local culture through its food.
〈人〉と食を共にするto share a meal with someone
He and I are close friends who have shared many meals together.
Expressions
医食同源medicine and food share the same origin; a balanced diet is the foundation of health 食が細いhaving a small appetite; eating only a little 食が進むhave a good appetite; eat with relish 食欲をそそるstimulate one's appetite; whet one's appetite