Incised means cut, particularly with a "V" shape. It is a term found in a number of disciplines.

Geology

In geomorphology, the term Incised refers to when a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 has cut downward through its riverbed. The river may have been incising through sediment

Sediment

Sediment is naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of fluids such as wind, water, or ice, and/or by the force of gravity acting on the particle itself....

 or bedrock

Bedrock

In stratigraphy, bedrock is the native consolidated rock underlying the surface of a terrestrial planet, usually the Earth. Above the bedrock is usually an area of broken and weathered unconsolidated rock in the basal subsoil...

. The river begins at one elevation and incises downward through its bed while leaving its floodplain

Floodplain

A floodplain, or flood plain, is a flat or nearly flat land adjacent a stream or river that stretches from the banks of its channel to the base of the enclosing valley walls and experiences flooding during periods of high discharge...

 behind (higher). Although, it is possible for the floodplain to be lowered at the same time. Examples include Mobile Bay

Mobile Bay

Mobile Bay is an inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. The Mobile River and Tensaw River empty into the northern end of the...

 along the Gulf of Mexico

Gulf of Mexico

The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

.

Medicine

In medicine an incised wound is one made with a cutting instrument, often a deep wound. (See incision)

Biology

An incised structure is one with a deep "V" shaped notch, often used to refer to the outline of a leaf, or the membranes on a fish's fin.

Archaeology and the Plastic Arts

Incised in archaeology and the plastic arts refers to cutting into the surface of a medium, for example stone or wood. It often refers to the use of a "V" shaped tool to carve out the design. Writing carved into stone tablets or columns is often referred to as "incised".