Dictionary

(obsolete outside set phrases) A saint; a holy person; an apostle.

To make holy, to sanctify.

A shout, cry; a hulloo.

To shout, especially to urge on dogs for hunting.

(of something solid) Having an empty space or cavity inside.

Example: a hollow tree; a hollow sphere

(of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.

Example: He let out a hollow moan.

Without substance; having no real or significant worth; meaningless.

Example: a hollow victory

Insincere, devoid of validity; specious.

Example: a hollow promise