Homecooked meals refer to daily meals at home. It is also a metaphor for common things, things that are used to. Its homonym is to eat often, and the pronunciation of 9 17 is just to eat, which is consistent with this idiom.
Synonyms of homely meals include: common occurrence, unsurprising, accustomed to, commonplace, blind eye, simple tea and plain rice, unsurprising, homely tea and rice, etc.