according to Milton, is twin-keeper with Sin, of Hell-gate.
The other shape (if shape it might be called that shape had none Distinguishable in member, joint, or limb; Or substance might be called that shadow seemed;) ... The likeness of a kingly crown had on.
Milton: Paradise Lost, ii. 666—673.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894