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coal

coal /ˈkoʊl/ noun
plural coals
coal
/ˈkoʊl/
noun
plural coals
Britannica Dictionary definition of COAL
[noncount] : a black or brownish-black hard substance within the earth that is used as a fuel
often used before another noun
[count]
: a piece of coal or charcoal especially when burning
US : a glowing piece of wood from a fire : ember

carry/take coals to Newcastle

British
: to take something to a place where it is not needed because a large amount of it is already there

haul/rake (someone) over the coals

informal
: to criticize (someone) very severely