[ad. L. Aventīnus (sc. mons) one of the seven hills of Rome.] fig. A secure position, a ‘strong tower.’ (Obs.)

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c. 1620.  Fletcher & Mass., Double Marr., V. ii. (in Webster). Into the castle’s tower, The only Aventine that now is left him!

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1626.  Massinger, Rom. Actor, I. i. I expect No favour from him. My strong Aventine is That great Domitian.

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