411 REFERENCE · Wiktionary
Handford device
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Developed by Mark Handford.
Noun
en motorsport A vertical spoiler piece attached across the back of a car's rear wing that pushes air down, increasing drag and creating a larger slipstream for the car behind.
en eponyms