This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A strip of level, usually paved ground on which aircraft take off and land.

n. A path, channel, or track over which something runs.

n. The channel of a stream.

n. A chute down which logs are skidded.

n. A narrow track in a bowling lane on which balls are returned after they are bowled.

n. A smooth ramp for wheeled vehicles.

n. A narrow walkway extending from a stage into an auditorium.

n. an airstrip, a (usually) paved section on which planes land or take off

n. a narrow platform extending from a stage on which people walk, especially used by models in fashion shows

n. the usual path taken by deer or other wild animals, i.e. from the forest to the stream

n. a stream bed

n. The channel of a stream.

n. The beaten path made by deer or other animals in passing to and from their feeding grounds.

n. The path or track over which anything runs; a passageway.

n. A path made by domestic animals in going to and from an accustomed place of feeding, watering, etc.

n. In lumbering, a trough or channel on the surface of a declivity, down which logs are slid or ruu in places more or less inaccessible to horses or oxen.

n. One of the ways in the casing of a window for vertically sliding sashes.

n. Theat., in the setting of scenery, a path or road, as upon a mountain-side or the face of a rock.

n. The trough by the side of a bowling-alley along which the balls are rolled back from the end.

n. The swinging platform leading down to a boat-house float.

n. a chute down which logs can slide

n. a narrow platform extending from the stage into the audience in a theater or nightclub etc.

n. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll

n. a strip of level paved surface where planes can take off and land

"And side by side with this wholesome admission has come a great awakening in the last fifteen years to the curative value of the _outdoor runway_, whether that runway be a field track, energetic walking in a park or campus, or a cross country run."

sloping trough    chute    slide    slideway    platform    paved surface   

landing strip   

channel    catwalk   

roadway    airfield    driveway    airstrip    walkway    hangar    ramp    highway    pavement    lane