V-en·gine (v???n?j?n)n. An internal-combustion engine having cylinders arranged so that pairs form V shapes.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.V-en?gine (?vi??n d??n) n. an internal-combustion engine having two opposed banks of cylinders inclined so that they form a V-shaped angle. [1920?25] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.