to make a hole in something; to excavate
To call or urge by shouting; to hollo.
Concave; gaunt; sunken.
Insincere, devoid of validity; specious.
Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.
Without substance; having no real or significant worth; meaningless.
Pertaining to hollow body position
Having an empty space or cavity inside.
Completely, as part of the phrase beat hollow or beat all hollow.
A sunken area or unfilled space in something solid; a cavity, natural or artificial.
A sunken area.
A small valley between mountains.
A feeling of emptiness.
To make porous or permeable through the formation of small holes or tunnels.
A location in a monitor program containing the address of a routine, allowing the user to substitute different functionality.
A hole burrowed by a worm.
A hypothetical shortcut between two points in spacetime, permitting faster-than-light travel and sometimes time travel.