Dictionary

1underlay

verb un·der·lay \-ˈlā\
un·der·laid\-ˈlād\un·der·lay·ing

Definition of UNDERLAY

transitive verb
1
:  to cover, line, or traverse the bottom of :  give support to on the underside or below
2
:  to raise or support by something laid under

First Known Use of UNDERLAY

before 12th century

Rhymes with UNDERLAY

Adige, A-OK, alleyway, All Fools' Day, All Saints' Day, All Souls' Day, all the way, anyway, appliqué, Arbor Day, arrivé, atelier, attaché, back away, ballonet, bang away, Bastille Day, Beaujolais, beta ray, beurre manié, BHA, blow away, botonée, Boxing Day, breakaway, break away, Bristol Bay, bustier, by the way, cabaret, cableway, Camagüey, canapé, cap-a-pie, Cape Cod Bay, caraway, carriageway, cassoulet, castaway, cathode ray, champlevé, chansonnier, chardonnay, Charolais, chevalier, china clay, cloisonné, cog railway, colorway, Condorcet, consommé, coryphée, cosmic ray, croupier, crudités, cutaway, day-to-day, debauchee, déclassé, dégagé, degree-day, delta ray, démodé, devotee, disarray, disobey, distingué, divorcé, divorcée, DNA, dollar day, double play, draw away, dress-down day, eagle ray, eightfold way, émigré, engagé, entranceway, entremets, entryway, espalier, everyday, exposé, expressway, fadeaway, fallaway, fall away, faraday, Faraday, faraway, fiancé, fiancée, fill away, fire away, flageolet, flyaway, foldaway, gal Friday, gamma ray, garde-manger, Georgian Bay, getaway, girl Friday, giveaway, give away, gratiné, gratinée, Greenaway, Groundhog Day, guillemet, Harare, hell to pay, Hemingway, hereaway, hideaway, hit the hay, HLA, holiday, holy day, Hornaday, Hudson Bay, Hugh Capet, Humboldt Bay, in a way, inter se, interplay, intraday, IPA, IRA, Ise Bay, judgment day, keep-away, kyrie, Labor Day, lackaday, latter-day, layaway, lay away, lingerie, macramé, Mandalay, manta ray, Massenet, matinee, medal play, meet halfway, MIA, Milky Way, Monterrey, Mother's Day, motorway, muscadet, mystery play, negligee, New Year's Day, New York Bay, Nicolet, night and day, Nottaway, off Broadway, Ojibwa, on the way, out of play, overlay, overplay, overstay, overweigh, Paraguay, passageway, pass away, passion play, pepper spray, Petare, photoplay, pikake, pis aller, play-by-play, plug-and-play, popinjay, potter's clay, pourparler, pousse-café, power play, present-day, protégé, protégée, pull away, put away, Put-in-Bay, Rabelais, rack railway, rainy-day, rambouillet, ratiné, recamier, recherché, reconvey, repartee, repoussé, résumé, retroussé, ricochet, right away, right-of-way, rockaway, roentgen ray, rondelet, roundelay, RNA, runaway, run away, Saguenay, salt away, San Jose, Santa Fe, São Tomé, Saturday, satyr play, semplice, Seventh-Day, severance pay, shadow play, sleepaway, sobriquet, sock away, sommelier, square away, steerageway, standaway, stowaway, straightaway, street railway, Table Bay, taboret, tarsier, taxiway, tearaway, tear away, teleplay, Tenebrae, thataway, throwaway, throw away, Thunder Bay, triple play, turn away, Udine, underpay, underplay, underway, Uruguay, velouté, Venite, vérité, vertebra, virelay, walkaway, Wang Ching-wei, waterway, wellaway, Whitsunday, workaday, working day, Yenisey, Zuider Zee

2underlay

noun un·der·lay \ˈən-dər-ˌlā\

: a layer of material that is placed under something else (such as a carpet)

Full Definition of UNDERLAY

:  something that is or is designed to be laid under

First Known Use of UNDERLAY

14th century

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