TROSTREY, a parish in the upper division of the hundred of USK, county of MONMOUTH, 2 miles (N. by W.) from Usk, containing 205 inhabitants. The living is a discharged perpetual curacy, in the archdeaconry and diocese of Llandaff, rated in the king's books at £3. 8. llf., endowed with £1000 royal bounty, and in the patronage of - Morris, Esq. The church is dedicated to St. David.