Annotatio III §.VIII: Not deterred by Trent Sess. XIII cap. 4 Can. 2 — TRANSSUBSTANTIATIO defined
Trent Session XIII, Canon 4: because Christ said what He offered under bread-species was truly His body, consecration converts the whole substance of bread into His body and of wine into His blood.
That conversion the holy Catholic (Roman) Church conveniently and properly calls TRANSUBSTANTIATION.
Latin
Quô Transsubstantiationi ita cautum legitur Sessione XIII. cap. 4. Can. 2. p. m. 130. initio: Quoniam Christus Redemptor noster, corpus suum, id quod sub specie panis offerebat, verè esse dixit; ideo persuasum semper in Ecclesia Dei fuit, idque nunc hæc sancta synodus declarat, per consecrationem panis & vini Conversionem fieri totius substantiæ panis in substantiam corporis Domini nostri & totius substantiæ vini in substantiam sanguinis ejus, quæ Conversio convenienter & propriè à sancta Catholica (Romana) Ecclesia TRANSSUBSTANTIATIO est appellata.