What does "capricorn" mean?

Capricorn: (Astron.) A southern constellation, represented on ancient monuments by the figure of a goat, or a figure with its fore part like a fish. Capricorn beetle (Zoöl.), any beetle of the family Carambucidæ; one of the long-horned beetles. The larvæ usually bore into the wood or bark of trees and shurbs and are often destructive. See Girdler, Pruner.