The English traveller, in passing through North Wales, will find the following Welsh terms frequently occur in the names of places; to which are subjoined their significations in English.

Ab, or Ap, a prefix to proper names, signifying the son of

Aber, the fall of one water into another, a confluence.

Am, about, around.

Ar, upon, bordering upon.

Avon, or Afon, a river.

Bach, little, small.

Ban, high, lofty, tall.

Bedd, a grave or sepulchre.

Bettws, a station between hill and vale.

Blaen, a point or end.

BÔd, a residence.

Braich, a branch, an arm.

Bron, the breast, the slope of a hill.

Bryn, a hill, a mount.

Bwlch, a gap, defile, or pass.

Bychan, little, small.

Cader, a hill-fortress, a chair.

Cae, an inclosure, a hedge.

Cantref, a hundred of a shire, a district.

Caer, a city, a fort, a defensive wall.

Capel, a chapel.

Carn, a heap.

Carnedd, a heap of stones.

Careg, a stone.Castell, a castle, fortress.

Cefn, ridge, the upper side, the back.

Cell, a cell; also a grove.

Cil, (pronounced keel) a retreat, a recess.

Clawdd, a hedge, a dyke.

Clogwyn, a precipice.

CÔch, red.

Coed, a wood.

Cors, a bog or fen.

Craig, a rock or crag.

Croes, a cross.

Cwm, a valley, vale, or glen.

Dinas, a city, or fort, a fortified place.

DÔl, a meadow or dale, in the bend of the river.

Drws, a door-way, a pass.

DÛ, black.

Dwfr, or Dwr, water.

Dyffryn, a valley.

Eglwys, a church.

Ffordd, a way, a road, a passage.

Ffynnon, a well, a spring.

Gallt, (mutable into Allt) a cliff, an ascent, the side of a hill.

Garth, a hill bending round.

GlÀn, a brink or shore.

GlÂs, bluish, or grayish green.

Glyn, a glen or valley through which a river runs.

Gwern, a watery meadow.

Gwydd, a wood.

Gwyn, white, fair.

Gwys, a summons.

Havod, a summer residence.

Is, lower, inferior, nether.

Llan, church, a smooth area, an inclosure.

Llwyn, a grove.

Llyn, a lake, a pool.

Maen, a stone.

Maes, a plain, an open field.

Mawr, great, large.

Melin, a mill.

Moel, a smooth conical hill.

Mynydd, a mountain.

Nant, a ravine, a brook.

Newydd, new, fresh.

Pant, a hollow, a valley.

Pen, a head, a summit; also chief, or end.

Pentref, a village, a hamlet.

Pistyll, a spout, a cataract.

PlÂs, a hall or palace.

Plwyf, a parish.

Pont, a bridge.

Porth, a ferry, a port, a gateway.

Pwll, a pit, a pool.

Rhaiadr, a cataract.

Rhiw, an ascent.

RhÔs, a moist plain or meadow.

Rhyd, a ford.

Sarn, a causeway, a pavement.

Swydd, a shire; also an office.

TÀl, the front or head; also tall.

TÀn, under.

Traeth, a sand or shore.

Tre, or Tref, a home, a town.

Tri, three.

Troed, a foot, the skirt of a hill.

Twr, a tower.

Ty, a house.

Waun (from Gwaun), a meadow, downs.

Y, the, of.

Yn, in, at, into.

Ynys, an island.

Ystrad, a vale, a dale.

Yspytty, a hospital, an almshouse.