What is the meaning of Fay?

To fit.

To join (pieces of timber) tightly. The long edges of the staves of a barrel have to be fayed so that when it is assembled it will not leak.

Of pieces of timber: to lie close together.

To fadge.

Fitted closely together.

A fairy.

Fairy like.

To cleanse; clean out.

A white person.

White; white-skinned.

Alternative form of fou

Alternative form of fey (marked for death)

fire

fault

Source: wiktionary.org