A cavity, natural or artificial; any depression of surface in a body; concavity; as the hollow of the hand.

Containing an empty space, natural or artificial, within a solid substance; not solid; as a hollow tree; a hollow rock; a hollow sphere. Hollow with boards shalt thou make it. Exodus 27:8.

Sunk deep in the orbit; as a hollow eye.

Deep; low; resembling sound reverberated from a cavity, or designating such a sound; as a hollow roar.

Not sincere or faithful; false; deceitful; not sound; as a hollow heart; a hollow friend. Hollow spar, the mineral called also chiastolite.

A place excavated; as the hollow of a tree.

A cave or cavern; a den; a hole; a broad open space in any thing.

A pit.

Open space of any thing; a groove; a channel; a canal.

To make hollow, as by digging, cutting, or engraving; to excavate. Trees rudely hollowed did the waves sustain.

To shout.