varoom
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va·room
(və-ro͞om′, -ro͝om′)n. & v.
Variant of vroom.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
vroom
(vrum, vrʊm)n.
1. the roaring sound made by a motor at high speed.
v.i. 2. to make or move with such a sound.
v.t. 3. to cause to make such a sound.
[1960–65; imitative]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.