1. plural of concave; surfaces or objects that curve inward like the inside of a bowl

1. third-person singular present tense of concave; to make or become concave
Usage: less common usage

1. curved inward; having a surface that slopes away from the viewer like the inside of a sphere

Examples

• The concaves of the two mirrors reflected light in opposite directions.
• The artist concaves the clay to create a bowl shape.
• A concave lens is thinner in the middle than at the edges.
• The concaves surface of the spoon holds the soup.
• Water pools in the concaves areas of the rock.
• The telescope uses a large concave mirror to gather light.