fay /feɪ/verb 5adjective 3noun 3forms 5 verb5 •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.I have a strip cutter and I can cut the exact widths I need to fit, they are easy to fay together and attach very firmly to the bulkheads. — 2010 •Of pieces of timber: to lie close together. •(dialect) To cleanse; clean out. •(no longer used) To fit, to add. •(no longer used) To fadge. adjective3 •Fairy-like. •(US, slang) White; white-skinned.I really went for Ray's press roll on the drums; he was the first fay boy I ever heard who mastered this vital foundation of jazz music. — 1946 •Fitted closely together.Under the four outer corners of the horizontal frame platform 22 are four tubular leg sleeves 23 that are fay together one at each outer corner. — 2006 noun3 •A fairy.that mighty Princesse did complaine / Of grieuous mischiefes, which a wicked Fay / Had wrought [...]. — 1590 •(US, slang) A white person. •(no longer used) faithAh, sirrah, by my fay, it waxes late. I'll to my rest. — 1591 formsfayed · faying · fays · more fay · most fay