[pahyl-uhp] /ˈpaɪlˌʌp/

a massive collision of several or many moving vehicles.
an accumulation, as of work, chores, or bills.
a rough or disorderly falling of people upon one another, as in a football game.


A wreck, esp one involving a number of cars: 6-car, end-to-end pile-up on the New Jersey Turnpike (1929+)


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  • Pile-up

    [pahyl] /paɪl/ noun 1. an assemblage of things laid or lying one upon the other: a pile of papers; a pile of bricks. 2. Informal. a large number, quantity, or amount of anything: a pile of work. 3. a heap of wood on which a dead body, a living person, or a sacrifice is burned; […]

  • Pile up zs

    verb phrase (Variations: bag or catch or cut or get or pile up or stack may replace cop)To sentimental material and utters relatively simpleminded moral convictions: Eisenhower on no account can be called a cornball (1940s+) Related Terms cop zs

  • Pileus

    [pahy-lee-uh s, pil-ee-] /ˈpaɪ li əs, ˈpɪl i-/ noun, plural pilei [pahy-lee-ahy, pil-ee-ahy] /ˈpaɪ liˌaɪ, ˈpɪl iˌaɪ/ (Show IPA), for 1, 2, 4, pileus for 3. 1. Mycology. the horizontal portion of a mushroom, bearing gills, tubes, etc., on its underside; a cap. 2. Zoology. 3. Also called cap cloud, scarf cloud. Meteorology. a small, […]

  • Pilewort

    [pahyl-wurt, -wawrt] /ˈpaɪlˌwɜrt, -ˌwɔrt/ noun 1. Also called fireweed. a weedy composite plant, Erechtites hieracifolia, having narrow flower heads enclosed in green bracts. 2. a North American figwort, Scrophularia marilandica, having small, greenish flowers. 3. . /ˈpaɪlˌwɜːt/ noun 1. any of several plants, such as lesser celandine, thought to be effective in treating piles

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