What is the origin of 'sleep tight'?
Read moreOne of the mysteries of the English language finally explained.
Definition of white post in US English:
white post
noun
PapermakingA stack of handmade paper after it has been pressed and the interleaved felt, etc., has been removed.
Origin
Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.
