Meat
'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)
Herb
'Herb bearing seed,' as mentioned in Genesis 1:29, signifies truth in terms of its use. (Arcana Coelestia 57) Every herb in the Bible signifies some type of knowledge.
'Green herbs,' as mentioned in Genesis 1:30, mean food for the natural man.
'Eating the herb of the field,' as mentioned in Genesis 3:18, signifies that a person should live as a beast.
'Herb of the field' signifies spiritual truth.
(References: Arcana Coelestia 7626)