grays
Preserved but no longer current.
Meaning · English
Or SCOTCH GRAYS, lice. These pretty little things are called by many names, among others by those of GRAY-BACKS, and GOLD-BACKED UNS, which are popular among those who have most interest in the matter.
Era: ca. 1874 (Victorian)
Where it’s used:
Origin
British & Irish English
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “grays” mean?
Or SCOTCH GRAYS, lice. These pretty little things are called by many names, among others by those of GRAY-BACKS, and GOLD-BACKED UNS, which are popular among those who have most interest in the matter.
Is “grays” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.