What's the difference between scrum and scrummage?

Scrum

Definition:

Example Sentences:

Definition:

Example Sentences:

(1) Each forward pack was tested under the following scrummaging combinations: front-row only; front-row plus second-row; full scrum minus side-row, and full scrum.
(2) The mechanism of the injuries was analysed but no single factor could be identified as being responsible for this sudden increase although tactics in the scrummage played an important part.
(3) Everyone wants a selfie and it’s a proper scrummage as they line up for a photograph.
(4) Two rugby union forward packs of differing ability levels were examined during scrummaging against an instrumented scrum machine.
(5) There is nothing wrong, though, with the All Black defence, nor their scrummaging.
(6) At the other end WP Nel was making some inroads into the Wallaby scrummage and Laidlaw duly kicked his side back into the contest when Scott Fardy was rightly penalised for cynically halting a promising Scottish attack.