snowdrop n.
1. an article of linen hung out to dry.
 | Worcs. Herald 26 Dec. 4/3: Snowdrops: linen out to dry. |
2. a military police officer [the distinctive white caps].
![[UK]](/static/img/flags/uk.png "United Kingdom") | diary 19 Jan. in To War With Whitaker (1994) 213: American military police – called Snowdrops because of their white helmets – ask to see our passes incessantly. | |
| (con. WWII) Jack and Jamie Go to War 162: We were stopped by a gleaming American military cop, snow-white helmet on his head, [...] ‘Where you guys headed?’ asked the ‘snowdrop,’ all fierce and business-like. | |
| Lowspeak. |
3. see snowball n.2 (2)