(intransitive) To shout, or to call with a loud voice. / (transitive) To chase while shouting "hallo!" / (transitive) To cry "hallo" (to someone). / (transitive) To shout (something).

A sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens; a delusion.

Consecrated or sanctified; sacred, holy.

simple past tense and past participle of hallow

One of two usually roughly equal parts into which anything may be divided, or considered as divided.

Consisting of a half (½, 50%). / Consisting of some indefinite portion resembling a half; approximately a half, whether more or less; partial; imperfect.

In two equal parts or to an equal degree. / In some part approximating a half. / Partially; imperfectly. / Practically, nearly.

(transitive, obsolete) To halve.

(UK, Ireland) Half past; a half-hour (30 minutes) after the last hour. / (rare, see usage notes) A half-hour to (preceding) the next hour.

(theater) A call reminding performers that the performance will begin in thirty minutes.