HOLLOW

hollow. Hollow, n. a hollow place, hole, opening, cavert

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Hol″low (?), a. [[OE. holow, holgh, holf, AS. holh a hollow, hole. Cf. Hole.]] 1. 1. 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.
Hollow with boards shalt thou make it. Ex. xxvii. 8. 2. 2. Depressed; concave; gaunt; sunken.
With hollow eye and wrinkled brow. Shak. 3. 3. Reverberated from a cavity, or resembling such a sound; deep; muffled; as, a hollow roar. Dryden.
4. 4. Not sincere or faithful; false; deceitful; not sound; as, a hollow heart; a hollow friend. Milton.
Hollow newel (Arch.), an opening in the center of a winding staircase in place of a newel post, the stairs being supported by the wall; an open newel; also, the stringpiece or rail winding around the well of such a staircase. — Hollow quoin (Engin.), a pier of stone or brick made behind the lock gates of a canal, and containing a hollow or recess to receive the ends of the gates. — Hollow root. (Bot.) See Moschatel. — Hollow square. See Square. — Hollow ware, hollow vessels; — a trade name for cast-iron kitchen utensils, earthenware, etc. Syn.- Concave; sunken; low; vacant; empty; void; false; faithless; deceitful; treacherous.