To set aside for sacred or holy use: The priest thought to hallow the land next to the church as a burial ground.

1. A nimbus of light surrounding a celestial object; such as, the sun, caused by the reflection of light on ice particles in the atmosphere: On some nights the moon seems to have a halo surrounding it.
2. A sense of idealized glory invested in a person: The woman who worked among the poor seemed almost to have a halo surrounding her.

1. Referring to an empty space or cavity within an object: The tree was old and hollow.
2. Descriptive of a sound made by hitting or beating a object that has an empty space in it: Striking the hollow log created a hollow thud that seemed to echo.
3. Pertaining to an utterance which is empty and lacking in sincerity: Mildred gave a hollow promise to do all her homework.

A low or sunken space, often in a field: At the base of the hollow was a spring of water for the cattle.

To shout, to cry, or to call out: When James hit his thumb with the hammer, his first response was to holler in pain.