Green’s Dictionary of Slang

cellier n.

[proper name Elizabeth Cellier, implicated, with her partner Thomas Dangerfield, in the Meal Tub Plot of 1679; this plot, which accused various prominent Roman Catholics of treason, hinged on papers supposedly hidden beneath Mrs Cellier’s meal tub. It collapsed when Dangerfield was imprisoned for perjury and Cellier was sent to the pillory]

an outright lie.

Pope’s Harbinger 79: That’s a Celier, Sir, a modern and most proper phrase to signifie any Egregious Lye [F&H].