Lewis Short
perstrictÄo (noun F) : perstringo
* A rubbing, friction (post-class.), Veg. Vet. 1, 35; so id. ib. 1, 38.
* Trop., a verbal attack: de perstrictione diversae partis nihil cavetur,Paul. Sent. 5, 4, 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary