HOL'LOW, adjective 1. 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. 2. Sunk deep in the orbit; as a hollow eye. 3. Deep; low; resembling sound reverberated from a cavity, or designating such a sound; as a hollow roar. 4. Not sincere or faithful; false; deceitful; not sound; as a hollow heart; a hollow friend. Hollow spar, the mineral called also chiastolite. HOL'LOW, noun A cavity, natural or artificial; any depression of surface in a body; concavity; as the hollow of the hand. 1. A place excavated; as the hollow of a tree. 2. A cave or cavern; a den; a hole; a broad open space in any thing. 3. A pit. 4. Open space of any thing; a groove; a channel; a canal. HOL'LOW, verb transitive To make hollow as by digging, cutting, or engraving; to excavate. Trees rudely hollowed did the waves sustain. HOL'LOW, verb intransitive To shout. [See Holla and Hollo.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI