RHOS-MAEN-with-Tin-EsGon, a hamlet, in that part of the parish of LLANDILO-VAWR which is in the lower division of the hundred of PERVETH, county of CARMARTHEN, SOUTH WALES, ll mile (N. E.) from Llandilo-Vawr; containing 590 inhabitants. It lies on the right bank of the river Towy, and the road from Llandilo-Vawr to Llangadock passes through it.