cav

hollow

Usage

  • cavernous

    A cavernous space is very large and empty; it is both hollow and huge.

  • cavity

    A cavity is an empty space or hole in an otherwise solid object, such as a tooth or human body.

  • concave

    curving inward

  • concavity

    a shape that curves or bends inward

  • excavate

    recover through digging

  • excavation

    the act of digging

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