colluviarium

plural colluviaria

1. Openings for ventilation in Ancient Roman aqueducts.

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   All such expressions can never be elevated into lasting dignity, however closely they may be associated with the genius of a Swift or a Butler (just as low-life may be associated with the genius of Hogarth); nay, though they may have the high sanction of parliamentary authority; and certainly, though not omnipotent, it can produce very extraordinary effects upon the verbal currency of the kingdom; so that instead of the Parliament being that colluviarium of corruption, it is evidently a fountain of influence as well as of political power.

   1824, Rev. James Gilchrist, The Etymologic Interpreter; Or, an Explanatory and Pronouncing Dictionary of the English Language. To which is Prefixed an Introduction, Etc, page 68