9-letter words containing w, a, t, p
- warp knit — a fabric or garment so constructed that runs do not occur: knitted from a warp beam that feeds yarn to the knitting frame.
- watch cap — U.S. Navy. a dark-blue, knitted woolen cap with a turned-up cuff worn by enlisted personnel on duty in cold weather.
- water gap — a transverse gap in a mountain ridge, cut by and giving passage to a stream or river.
- water pox — chickenpox.
- waterpick — a portable electric appliance that uses a stream of water under force to remove food particles from between the teeth and to massage the gums.
- wave trap — a resonant-circuit filter between the antenna and the receiver for the suppression of unwanted frequencies. Compare resonance (def 5).
- wax plant — a shrubby climbing plant, Hoya carnosa, of the milkweed family, native to Australia, with umbels of waxy pink or white flowers.
- way point — a place or point between major points on a route.
- waypoints — Plural form of waypoint.
- weak spot — some aspect of a character or situation that is susceptible to criticism
- whipstaff — a bar attached to a ship's tiller to assist with steering
- whipstall — a stall during a vertical climb in which the nose of the airplane falls forward and downward in a whiplike movement.
- whiptails — Plural form of whiptail.
- whitecaps — Plural form of whitecap.
- whitedamp — a poisonous coal-mine gas composed chiefly of carbon monoxide.
- wuppertal — a city in North Rhine-Westphalia, in W Germany, in the Ruhr Valley: formed by the union of Barmen, Elberfeld, and smaller communities 1929.