What is the meaning of Scrum?

A tightly-packed and disorderly crowd of people.

A tightly packed group of reporters surrounding a person, usually a politician, asking for comments about an issue; an opportunity provided for a politician to be approached this way.

In rugby union or rugby league, all the forwards joined together in an organised way.

In Agile software development (specifically Scrum or related methodologies), a daily meeting in which each developer describes what they have been doing, what they plan to do next, and any impediments to progress.

Hostile shoving between two groups.

To form a scrum.

Alternative letter-case form of Scrum

ashes

scrum: A crowd of reporters and spokesperson

ash

slag

Source: wiktionary.org