What is the meaning of Fowl?

A bird.

A bird of the order Galliformes, including chickens, turkeys, pheasant, partridges and quail.

Birds which are hunted or kept for food, including Galliformes and also waterfowl of the order Anseriformes such as ducks, geese and swans, together forming the clade Galloanserae.

To hunt fowl.

foul

Alternative form of fowel

Source: wiktionary.org