13-letter words containing a, n, t, i, s, w
- taiwan strait — strait between Taiwan & Fujian province, China, joining the East & South China seas: c. 100 mi (161 km) wide
- train-workers — people who work on trains
- twin camshaft — A twin camshaft is an arrangement of two parallel camshafts for each set of cylinders in an engine. Usually one operates the intake valve and the other the exhaust valve.
- unwhistleable — incapable of being whistled
- walking stick — a stick held in the hand and used to help support oneself while walking.
- walter piston — Walter, 1894–1976, U.S. composer.
- washingtonian — living in or coming from Washington, D.C., or the state of Washington.
- wasting asset — an unreplaceable business asset of limited life, such as a coal mine or an oil well
- water parsnip — a perennial aquatic plant; Berula erecta
- water spaniel — either of two breeds of spaniels, used for retrieving waterfowl.
- water-soaking — to soak or saturate with water.
- watering spot — watering hole
- waterscorpion — any of several predaceous aquatic bugs of the family Nepidae, having clasping front legs and a long respiratory tube at the rear of the abdomen: capable of biting if handled.
- weatherliness — (nautical) The quality of being weatherly.
- wedding feast — a meal served to celebrate a wedding
- wellingtonias — Plural form of wellingtonia.
- west atlantic — a group of languages of W Africa constituting a branch of the Niger-Congo subfamily of languages, and including Fulani and Wolof.
- west frisians — See under Frisian Islands.
- west germanic — a subbranch of Germanic that includes English, Frisian, Flemish, Dutch, Plattdeutsch, Yiddish, and German. Abbreviation: WGmc.
- west midlands — a metropolitan county in central England. 347 sq. mi. (899 sq. km).
- west pakistan — a former province of British Pakistan, separated from East Pakistan (now Bangladesh) by N India: declared independence as Republic of Pakistan 1956.
- west virginia — a state in the E United States. 24,181 sq. mi. (62,629 sq. km). Capital: Charleston. Abbreviation: WV (for use with zip code), W.Va.
- western dvina — a river rising in W Russia, in the Valdai Hills and flowing south and southwest then northwest to the Gulf of Riga. Length: 1021 km (634 miles)
- white arsenic — arsenous acid
- white russian — Byelorussian (def 2).
- white-slaving — traffic in white slaves.
- wild huntsman — the leader of the Wild Hunt, often associated with Odin.
- winston-salem — a city in N North Carolina.
- winter savory — See under savory2 .
- winter squash — any of several varieties of Cucurbita maxima or C. moschata that mature in late autumn and are used, when ripe, as a vegetable.
- winter's bark — an evergreen tree, Drimys winteri, ranging from Mexico to Cape Horn, having aromatic leaves and cream-colored, jasmine-scented flowers.
- winter's tale — a drama (1610–11?) by Shakespeare.
- winterisation — Non-Oxford British standard spelling of winterization.
- wire transfer — bank-to-bank money transfer
- wire-transfer — to transmit (money or credit) by wire transfer.
- withdrawnness — The state or condition of being withdrawn or isolated.
- within reason — a basis or cause, as for some belief, action, fact, event, etc.: the reason for declaring war.
- witness stand — the place occupied by a person giving testimony in a court.
- witwatersrand — a rocky ridge in S Africa, in the Republic of South Africa, near Johannesburg.
- wordsworthian — William, 1770–1850, English poet: poet laureate 1843–50.
- working asset — invested capital that is comparatively liquid.