Proper noun
DCHP
Initialism of Dictionary of Canadianisms on Historical Principles.
The DCHP can be considered the "Canadian OED", as it documents the historical development of Canadian English words that can be classified as "Canadianisms". Source: Internet
The scholarly Dictionary of Canadianisms on Historical Principles (DCHP) was first published in 1967 by Gage Ltd. It was a partner project of the Senior Dictionary (and appeared only a few weeks apart from it). Source: Internet