I am curious too. I don't try and pronounce things I don't know without asking how first, since I'd rather get it right then sound like a doofus. I have run into too many people who say merLOT instead of Merloh for the wine merlot.
noun
1. a treasury, as of a state or nation.
2.(in Great Britain)
a. ( often initial capital letter ) the governmental department in charge of the public revenues.
b.(formerly) an office administering the royal revenues and determining all cases affecting them.
c.( initial capital letter ) Also called Court of Exchequer. an ancient common-law court of civil jurisdiction in which cases affecting the revenues of the crown were tried, now merged in the King's Bench Division of the High Court.