The term 'ARCH, TYPE OF' can be solved by two crossword solutions: OGEE (4 letters) and LANCET (6 letters). An OGEE is an arch with a double curve, usually used in Gothic architecture. It is also known as a cyma reversa or a cyma recta. A LANCET arch is a pointed arch, typically used in Gothic architecture. It is also known as an equilateral arch or a three-centred arch. Both of these arches are commonly used in Gothic architecture, but they have different shapes and characteristics.