Noun

Eating dinner as a social function.

* 1869 , The XIX Century (volume 1, page 6)

For my own part I preferred to remain with the ship, and I am now glad that I did so, for the welcome we received at Havana; the cheering crowds upon the quay; the friends we met and made; the dinings in and dinings out

Entertaining someone to dinner.

Noun

(en-noun)

(uncountable) Any substance that can be consumed by living organisms, especially by eating, in order to sustain life.

* {{quote-book, year=1922, author=(Ben Travers), title=(A Cuckoo in the Nest)

, chapter=1 citation , passage=“[…] the awfully hearty sort of Christmas cards that people do send to other people that they don't know at all well. You know. The kind that have mottoes like
  Here's rattling good luck and roaring good cheer, / With lashings of food and great hogsheads of beer. […]”}}

* {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=72-3, magazine=(The Economist)

, title= A punch in the gut , passage=Mostly, the microbiome is beneficial. It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible. Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.}}

(countable) A foodstuff.

(uncountable, figuratively) Anything that nourishes or sustains.

Mozart and Bach are food for my soul.

* (and other bibiographic particulars) (William Shakespeare)

This may prove food to my displeasure.

* (and other bibiographic particulars) (William Wordsworth)

In this moment there is life and food / For future years.