'Heat of the sun,' as mentioned in Revelation 7:16, signifies lust to do evil.

(References: Apocalypse Revealed 382)

'Meat,' as in Genesis 40:17, signifies celestial good, because 'the meat of the angels' are nothing but the goods of love and charity, which not only enliven them, but also re-create them.

(References: Arcana Coelestia 5147)