Meanings
noungreen whistle (plural green whistles)
plural green whistles
- Penthrox, an analgesic used to administer emergency pain relief.
Origin
From the green color and whistle-like appearance of its applicator.
Full word history & related roots →Cite this entry
APA
green whistle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/green%20whistle
MLA
“green whistle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/green%20whistle. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “green whistle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/green%20whistle.
Source: green whistle on Wiktionary, CC BY-SA 4.0.