plural of wall jump

(countable and uncountable) A colour like that of chocolate or coffee. / (snooker, countable) One of the colour balls used in snooker, with a value of 4 points. / (uncountable) Black tar heroin.

A banded variety of marble or calcium carbonate resembling onyx. It is obtained from Mexico.

A mystery or deep secret. / An elixir or secret remedy.