Meaning of "Pension."

The following announcement appeared lately in the London newspapers:— "GRAY'S INN.—At a *Pension* of the Hon. Society of Gray's Inn, holden this day, Henry Wm. Vincent, Esq., her Majesty's Remembrancer in the Court of Exchequer, was called to the degree of Barrister at Law." I have inquired of one of the oldest benchers of Gray's Inn, now resident in the city from which I write, for an explanation of the origin or meaning of the phrase "pension," neither of which was he acquainted with; informing me at the same time that the Query had often been a subject discussed among the learned on the dai…