(trigonometry) The area hyperbolic cosecant function, i.e., the inverse hyperbolic cosecant function.

present participle of hubbub

Alternative form of you never miss the water till the well runs dry

(UK, humorous euphemistic slang, dated) A lavatory: a room used for urination and defecation. / (Scotland, humorous euphemistic slang, uncommon) A urinal.