Fay \Fay\ (f[=a]), v. t. [imp. & p. p. fayed; p. pr. & vb. n. Faying.]

[OE. feien, v.t. & i., AS. f[=e]gan to join, unite; akin to OS. f[=o]gian, D. voegen, OHG. fuogen, G. f["u]gen, Sw. foga. See Fair, and cf. Fadge.]

(Shipbuilding) To fit; to join; to unite closely, as two pieces of wood, so as to make the surface fit together.

Source: Webster's Revised Unabridged Dictionary (1913)