( a. )
Having an empty space or cavity, natural or artificial, within a solid substance; not solid; excavated in the interior; as, a hollow tree; a hollow sphere.
( a. )
Having an empty space or cavity, natural or artificial, within a solid substance; not solid; excavated in the interior; as, a hollow tree; a hollow sphere.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012